K- · 2020-02-19 · ccss k. cc.1 k.cc.3 k.oa.3, k.oa.5 k.oa.3 k.oa.3, k.oa.5 k.oa.5 k.cc.2 k.cc.2,...
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K - SECOND GRADE ADDITION & SUBTRACTION STRATEGIES K - 2
Transcript of K- · 2020-02-19 · ccss k. cc.1 k.cc.3 k.oa.3, k.oa.5 k.oa.3 k.oa.3, k.oa.5 k.oa.5 k.cc.2 k.cc.2,...
K - SECOND GRADEADDITION & SUBTRACTION
STRATEGIES
K-2
CCSS
K. CC.1 K.CC.3
K.OA.3, K.OA.5
K.OA.3
K.OA.3, K.OA.5
K.OA.5
K.CC.2
K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 K.CC.2,1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 1.OA.3
1.OA.6 1.OA.6
K.OA.3, 1.OA.6 K.OA.3, 1.OA.6 1.OA.6 1.OA.6
1.OA.6
1.OA.6 K.OA.3, 1.OA.6 1.OA.6 1.OA.6
ADDITION: BASIC FACTS
Dot Cards ...................................................................................................................
Numeral Cards ............................................................................................................
Make 5 with Dot Cards .................................................................................................
Facts of 5 ....................................................................................................................
Make 5 on the Five Frame ............................................................................................
Fact Sort: Facts of 5 .....................................................................................................
One More on the Five Frame ........................................................................................
One More on the Ten Frame .........................................................................................
Two More on the Ten Frame .........................................................................................
Count on 1 ................................................................................................................. Count on 2 .................................................................................................................
Count on 3 ..................................................................................................................
Count On 1, 2, or 3 ......................................................................................................
Count On (within 10) ...................................................................................................
Number Track Count On ..............................................................................................
Number Line Count On ...............................................................................................
Add Zero ....................................................................................................................
Doubles to 5+5 ...........................................................................................................
Fact Sort: Count On/Use Doubles ................................................................................
Make 10 on the Ten Frame ...........................................................................................
Make 10 with Dot Cards ..............................................................................................
Facts of 10 ..................................................................................................................
Make Ten ....................................................................................................................
Make Ten: Missing Addend ..........................................................................................
Fact Sort: Facts of 10/Not Facts of 10 ............................................................................ Dot Card Addition .......................................................................................................
How Many Pairs? .........................................................................................................
Doubles to 10 + 10 .....................................................................................................
TABLE OF CONTENTSSECTION ONE CCSS
1.OA.6 1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
ADDITION: BASIC FACTS (cont.)
Use Doubles: Double Plus One ....................................................................................
Use Doubles: Double Plus Two .....................................................................................
Use Doubles: Double Minus One .................................................................................
Make a Ten on the Ten Frame .......................................................................................
Make a Ten: Add Nine .................................................................................................
Make a Ten: Add Eight .................................................................................................
Make a Ten: Add Seven ...............................................................................................
Make a Ten (within 20) .................................................................................................
Fact Sort: Use Doubles/Make a Ten ...............................................................................
Fact Sort: Count On/Use Doubles/Make a Ten ...............................................................
Make 12 with Three Addends .......................................................................................
Make a Ten with Three Addends ...................................................................................
Balance the Scale: Addition ..........................................................................................
More Balance the Scale: Addition .................................................................................
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CCSS
K. CC.1 K.CC.3
K.OA.3, K.OA.5
K.OA.3
K.OA.3, K.OA.5
K.OA.5
K.CC.2
K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 K.CC.2,1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 K.CC.2, 1.OA.5 1.OA.3
1.OA.6 1.OA.6
K.OA.3, 1.OA.6 K.OA.3, 1.OA.6 1.OA.6 1.OA.6
1.OA.6
1.OA.6 K.OA.3, 1.OA.6 1.OA.6 1.OA.6
ADDITION: BASIC FACTS
Dot Cards ...................................................................................................................
Numeral Cards ............................................................................................................
Make 5 with Dot Cards .................................................................................................
Facts of 5 ....................................................................................................................
Make 5 on the Five Frame ............................................................................................
Fact Sort: Facts of 5 .....................................................................................................
One More on the Five Frame ........................................................................................
One More on the Ten Frame .........................................................................................
Two More on the Ten Frame .........................................................................................
Count on 1 ................................................................................................................. Count on 2 .................................................................................................................
Count on 3 ..................................................................................................................
Count On 1, 2, or 3 ......................................................................................................
Count On (within 10) ...................................................................................................
Number Track Count On ..............................................................................................
Number Line Count On ...............................................................................................
Add Zero ....................................................................................................................
Doubles to 5+5 ...........................................................................................................
Fact Sort: Count On/Use Doubles ................................................................................
Make 10 on the Ten Frame ...........................................................................................
Make 10 with Dot Cards ..............................................................................................
Facts of 10 ..................................................................................................................
Make Ten ....................................................................................................................
Make Ten: Missing Addend ..........................................................................................
Fact Sort: Facts of 10/Not Facts of 10 ............................................................................ Dot Card Addition .......................................................................................................
How Many Pairs? .........................................................................................................
Doubles to 10 + 10 .....................................................................................................
CCSS 1.OA.6 1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
1.OA.6
ADDITION: BASIC FACTS (cont.)
Use Doubles: Double Plus One ....................................................................................
Use Doubles: Double Plus Two .....................................................................................
Use Doubles: Double Minus One .................................................................................
Make a Ten on the Ten Frame .......................................................................................
Make a Ten: Add Nine .................................................................................................
Make a Ten: Add Eight .................................................................................................
Make a Ten: Add Seven ...............................................................................................
Make a Ten (within 20) .................................................................................................
Fact Sort: Use Doubles/Make a Ten ...............................................................................
Fact Sort: Count On/Use Doubles/Make a Ten ...............................................................
Make 12 with Three Addends .......................................................................................
Make a Ten with Three Addends ...................................................................................
Balance the Scale: Addition ..........................................................................................
More Balance the Scale: Addition .................................................................................
TABLE OF CONTENTSPAGE
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TABLE OF CONTENTS (cont.)
K.OA.2, K.OA.5
K.OA.2
K.OA.2, 1.OA.5
K.OA.2, 1.OA.5
K.CC.2, K.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
SUBTRACTION: BASIC FACTS
Five Frame Subtraction ................................................................................................
One Less on the Five Frame .........................................................................................
One Less on the Ten Frame ..........................................................................................
Two Less on the Ten Frame ...........................................................................................
Count On to Subtract (within 5) ....................................................................................
Count On 1 or 2 to Subtract (within 10) ..........................................................................
Count On 2 or 3 to Subtract (within 10) ..........................................................................
Count On to Subtract (within 20) ...................................................................................
Count Back 1 ..............................................................................................................
Count Back 2 ..............................................................................................................
Count Back 3 ..............................................................................................................
Count Back on the Number Track .................................................................................
More Counting Back on the Number Track ...................................................................
Count Back 1, 2 or 3 ....................................................................................................
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CCSS 1.OA.6 1.OA.6 1.OA.4 1.OA.6 1.OA.6
1.OA.6 1.OA.4 1.OA.6, 1.OA.4 1.OA.6, 1.OA.4 1.OA.6 1.OA.6
1.OA.6
SUBTRACTION: BASIC FACTS (cont.)
Subtract Zero ..............................................................................................................
Subtract All .................................................................................................................
Use Doubles to Subtract ..............................................................................................
Fact Sort: Count On/Use Doubles .................................................................................
Subtraction on the Ten Frame .......................................................................................
Subtract from Ten ........................................................................................................
Make a Ten to Subtract .................................................................................................
Fact Sort: Use Doubles/Make a Ten ...............................................................................
Fact Sort: Count On/Use Doubles/Make a Ten ...............................................................
Balance the Scale: Subtraction ......................................................................................
More Balance the Scale: Subtraction .............................................................................
Balance the Scale: Addition and Subtraction ..................................................................
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SECTION TWO
K.OA.2, K.OA.5
K.OA.2
K.OA.2, 1.OA.5
K.OA.2, 1.OA.5
K.CC.2, K.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
K.CC.2, 1.OA.5
SUBTRACTION: BASIC FACTS
Five Frame Subtraction ................................................................................................
One Less on the Five Frame .........................................................................................
One Less on the Ten Frame ..........................................................................................
Two Less on the Ten Frame ...........................................................................................
Count On to Subtract (within 5) ....................................................................................
Count On 1 or 2 to Subtract (within 10) ..........................................................................
Count On 2 or 3 to Subtract (within 10) ..........................................................................
Count On to Subtract (within 20) ...................................................................................
Count Back 1 ..............................................................................................................
Count Back 2 ..............................................................................................................
Count Back 3 ..............................................................................................................
Count Back on the Number Track .................................................................................
More Counting Back on the Number Track ...................................................................
Count Back 1, 2 or 3 ....................................................................................................
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TABLE OF CONTENTSTABLE OF CONTENTS (cont.)
CCSS 1.OA.6 1.OA.6 1.OA.4 1.OA.6 1.OA.6
1.OA.6 1.OA.4 1.OA.6, 1.OA.4 1.OA.6, 1.OA.4 1.OA.6 1.OA.6
1.OA.6
SUBTRACTION: BASIC FACTS (cont.)
Subtract Zero ..............................................................................................................
Subtract All .................................................................................................................
Use Doubles to Subtract ..............................................................................................
Fact Sort: Count On/Use Doubles .................................................................................
Subtraction on the Ten Frame .......................................................................................
Subtract from Ten ........................................................................................................
Make a Ten to Subtract .................................................................................................
Fact Sort: Use Doubles/Make a Ten ...............................................................................
Fact Sort: Count On/Use Doubles/Make a Ten ...............................................................
Balance the Scale: Subtraction ......................................................................................
More Balance the Scale: Subtraction .............................................................................
Balance the Scale: Addition and Subtraction ..................................................................
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CCSS
1.NBT.4
1.NBT.4
1.NBT.4
1.NBT.4
1.NBT.4
1.NBT.4
1.NBT.5
1.NBT.5
1.NBT.5
1.NBT.5
1.NBT.4
1.OA.4, 1.NBT.4
1.OA.4, 1.NBT.4
1.OA.4, 1.NBT.4
2-DIGIT ADDITION
Count On 1 From a 2-Digit Number ..............................................................................
Count On 2 From a 2-Digit Number ..............................................................................
Count On 3 From a 2-Digit Number ..............................................................................
Count On (within 20) ..................................................................................................
Count On (within 50) ..................................................................................................
Count On (within 100) ................................................................................................
Add Ten ....................................................................................................................
Add Ten on the Number Line ......................................................................................
10 More/10 Less ........................................................................................................
Add Ten Number Paths ..............................................................................................
Make a Ten: Missing Addend ......................................................................................
Make a Ten ...............................................................................................................
Fact Sort: Count On/Make a Ten .................................................................................
Make a Ten Word Problems ........................................................................................
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TABLE OF CONTENTSTABLE OF CONTENTS (cont.)
CCSS 1.NBT.4 2.NBT.5 2.NBT.5 2.NBT.5 2.NBT.5
2.NBT.5 2.NBT.5 2.NBT.5 2.NBT.5 2.NBT.5 2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7
2.NBT.9
1.NBT.4, 2.NBT.5
1.NBT.4, 2.NBT.5
1.NBT.5
1.NBT.5
2.NBT.5
1.NBT.6
2.NBT.5
2.NBT.5
2.NBT.5
2.NBT.5
2.NBT.5
2.NBT.5
2-DIGIT ADDITION (cont.)
Tens Plus Ones ..........................................................................................................
Add Multiples of Ten ..................................................................................................
2-Digit Doubles .........................................................................................................
Use Doubles: Double Plus One ...................................................................................
Use Doubles: Double Plus Two ....................................................................................
Use Doubles: Double Minus One ................................................................................
Fact Sort: Use Doubles/Make a Ten ..............................................................................
2-Digit Addition on the Open Number Line ..................................................................
More 2-Digit Addition on the Open Number Line .........................................................
Adding Up in Chunks .................................................................................................
Expanded Form: 2-Digit + Multiple of Ten ....................................................................
Expanded Form: 2-Digit + 2-Digit ................................................................................
Expanded Form: Doubles in the Ones Place .................................................................
Expanded Form: Make Ten in the Ones Place ...............................................................
2-Digit Word Problems ...............................................................................................
Solve and Explain: 2-Digit Addition .............................................................................
2-DIGIT SUBTRACTION
Count On for Subtraction (within 100) .........................................................................
Count Back for Subtraction (within 100) .......................................................................
Subtract 10 on the Number Line ..................................................................................
Subtract Ten ..............................................................................................................
Subtract Numbers with Like Endings .............................................................................
Subtract Multiples of Ten ............................................................................................
Down to a Ten ...........................................................................................................
Make a Ten for Subtraction .........................................................................................
Use Doubles: 2-Digit Subtraction ...............................................................................
Fact Sort: Count On/Make a Ten .................................................................................
Fact Sort: Make a Ten/Use Doubles .............................................................................
2-Digit Subtraction on the Open Number Line .............................................................
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TABLE OF CONTENTSTABLE OF CONTENTS (cont.)
CCSS 1.NBT.5, 2.NBT.5
2.NBT.5, 2.NBT.9
2.NBT.5, 2.NBT.8
2.NBT.5, 2.NBT.8
2.NBT.5, 2.NBT.8
2.NBT.7
2.NBT.7
2.NBT.7
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.9
2.NBT.7
2.NBT.7
2.NBT.7
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.8
2.NBT.7, 2.NBT.9
2.NBT.7
2-DIGIT SUBTRACTION (cont.)
More 2-Digit Subtraction on the Open Number Line ....................................................
Solve and Explain: 2 Digit Subtraction .........................................................................
Expanded Form: 2-Digit Minus a Multiple of Ten .........................................................
Expanded Form: 2-Digit Subtraction ...........................................................................
Expanded Form: More 2-Digit Subtraction ...................................................................
3-DIGIT ADDITION
Use Doubles: 3-Digit Addition ....................................................................................
Make a Ten: 3-Digit + 2-Digit ......................................................................................
Fact Sort: Make a Ten/Use Doubles .............................................................................
Add 100 on the Number Line .....................................................................................
3 Digit Addition on the Open Number Line .................................................................
More 3-Digit Addition on the Open Number Line ....................,....................................
Adding Up in Chunks .................................................................................................
Expanded Form: Add 3-Digit Multiples of Ten ..............................................................
Expanded Form: 3-Digit + 3-Digit ...............................................................................
Solve and Explain: 3-Digit Addition ............................................................................
3-DIGIT SUBTRACTION
Use Doubles: 3-Digit Subtraction ................................................................................
Fact Sort: Make a Ten/Use Doubles .............................................................................
Make a Ten for Subtraction (within 1000) .....................................................................
Subtract 100 on the Number Line ...............................................................................
3-Digit Subtraction with Zeros on the Open Number Line ............................................. 3-Digit Subtraction on the Open Number Line .............................................................
Expanded Form: 3-Digit Minus a Multiple of Ten ..........................................................
Expanded Form: 3-Digit Minus 3-Digit .........................................................................
Solve and Explain: 3-Digit Subtraction .........................................................................
3-Digit Word Problems ...............................................................................................
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CLUSTER
Count On Count On
Count On
Count On
Count On
Count On
Count On
Count On Use Doubles Use Doubles
Use Doubles
Use Doubles Use Doubles Use Doubles Use Doubles Use Doubles Use Doubles
Use Doubles Use Doubles
Use Doubles Use Doubles Make a Ten Make a Ten
Make a Ten
Make a Ten Make a Ten Make a Ten Make a Ten
MATH CENTERS
Count On One (ver. 1) ................................................................................................
Count On One (ver. 2) ................................................................................................
Count On Two (ver. 1) .................................................................................................
Count On Two (ver. 2) .................................................................................................
Count On Three (ver. 1) ...............................................................................................
Count On Three (ver. 2) ...............................................................................................
Count On 0, 1, 2, or 3 (ver. 1) .......................................................................................
Count On 0, 1, 2, or 3 (ver. 2) .......................................................................................
Doubles Bump ..........................................................................................................
Doubles Cover Up (ver. 1) .......................................................................................... Doubles Cover Up (ver. 2) ..........................................................................................
Doubles Plus One (ver. 1) ...........................................................................................
Doubles Plus One (ver. 2) ...........................................................................................
Doubles Plus Two (ver. 1) ............................................................................................
Doubles Plus Two (ver. 2) ............................................................................................
Doubles Towers .........................................................................................................
Doubles Plus One Towers ...........................................................................................
Doubles Plus Two Towers ...........................................................................................
Double and Add ........................................................................................................
Spin and Subtract (ver. 1) ............................................................................................
Spin and Subtract (ver. 2) ............................................................................................
Towers of 10 ..............................................................................................................
Make Ten on the Ten Frame ........................................................................................
Find Ten ....................................................................................................................
Facts of 10 (ver. 1) ...................................................................................................... Facts of 10 (ver. 2) ......................................................................................................
Make a Ten Cover Up (ver. 1) .......................................................................................
Make a Ten Cover Up (ver. 2) .......................................................................................
TABLE OF CONTENTS (cont.)
SECTION THREE
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CLUSTER
Make a Ten Make a Ten Make a Ten Make a Ten
Count On
Use Doubles
Use Doubles
Make a Ten
Count OnUse DoublesMake a Ten
Count OnUse DoublesMake a Ten
User License ..........................................................................................................................................
MATH CENTERS
Make a Ten (ver. 1) .....................................................................................................
Make a Ten (ver. 2) .....................................................................................................
Make a Ten (ver. 3) .....................................................................................................
Make a Ten: Subtraction .............................................................................................
Think Addition for Subtraction (ver. 1) ..........................................................................
Think Addition for Subtraction (ver. 2) ..........................................................................
Think Addition for Subtraction (ver. 3) ..........................................................................
Think Addition for Subtraction (ver. 4) ..........................................................................
Addition Fact Sort ......................................................................................................
Subtraction Fact Sort ..................................................................................................
TABLE OF CONTENTS (cont.)
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PREFACE
Our website, www.k-5mathteachingresources.com, provides numerous math games and math center activities to provide hands on experiences with skills and concepts that are critical to the development of number sense and computational fluency as outlined in the Common Core State Standards for K-2. K-2 Addition and Subtraction Strategies provides opportunities for paper and pencil practice to further develop a framework of mental strategies on which more advanced thinking techniques can be built. Intended for use after students have had numerous opportunities to explore these mental strategies using concrete materials, these materials are ideally suited for small group instruction, independent practice, homework, or assessment purposes.
Section 1 focuses on developing efficient strategies for learning and internalizing single digit addition and subtraction facts within 20. Research shows that the most effective way for students to learn the basic facts is to arrange the facts into clusters (Fuson, 2003).
K-2 Addition and Subtraction Strategies focuses on the following addition clusters: count on, use doubles and make a ten. The count on cluster includes facts that involve counting on 1, 2 or 3. The use doubles cluster includes doubles facts and facts that involve doubling a number then adding one or two. The make a ten cluster includes facts where one addend is 7, 8, or 9. As seen in the tables below these three clusters cover all 100 basic addition facts (0+0- 9+9).
The light blue shading in this table shows the 64 addition count on facts and their turnarounds.
+ 0 1 2 3 4 5 6 7 8 9
0
1
2
3
4
5
6
7
8
9
0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10
112 3 4 5 6 7 8 9 10
11 123 4 5 6 7 8 9 10
11 12 134 5 6 7 8 9 10
11 12 13 145 6 7 8 9 10
11 12 13 14 156 7 8 9 10
11 12 13 14 15 167 8 9 10
11 12 13 14 15 16 178 9 10
11 12 13 14 15 16 17 189 10
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The light blue shading in this table shows the use doubles cluster (doubles, double plus 1, double plus 2). This cluster is also sometimes referred to as near doubles.
+ 0 1 2 3 4 5 6 7 8 9
0
1
2
3
4
5
6
7
8
9
0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10
112 3 4 5 6 7 8 9 10
11 123 4 5 6 7 8 9 10
11 12 134 5 6 7 8 9 10
11 12 13 145 6 7 8 9 10
11 12 13 14 156 7 8 9 10
11 12 13 14 15 167 8 9 10
11 12 13 14 15 16 178 9 10
11 12 13 14 15 16 17 189 10
Some basic facts are covered by more than one strategy. For example, 8 + 6 can be solved using doubles plus 2 if the 6 is doubled, double minus 2 if the 8 is doubled, or make a ten (8 + 6 =10 + 4 =14). Students should be encouraged to select the strategy that allows them to recall facts quickly and accurately.
+ 0 1 2 3 4 5 6 7 8 9
0
1
2
3
4
5
6
7
8
9
0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10
112 3 4 5 6 7 8 9 10
11 123 4 5 6 7 8 9 10
11 12 134 5 6 7 8 9 10
11 12 13 145 6 7 8 9 10
11 12 13 14 156 7 8 9 10
11 12 13 14 15 167 8 9 10
11 12 13 14 15 16 178 9 10
11 12 13 14 15 16 17 189 10
The 33 facts in the third cluster, make a ten, are shown in this table. This cluster is sometimes referred to as bridge to ten.
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Subtraction is the inverse operation of addition. The Common Core Standards suggest that using addition is an effective thinking strategy for helping students learn the basic subtraction facts. Standard 1.OA.4 states that first grade students need to: Understand subtraction as an unknown-addend problem. For example, subtract 10-8 by finding the number that makes 10 when added to 8.
Some pages in this resource require the use of dot or numeral cards. A blank template is included for students to make their own sets of these materials, as this in itself is a valuable learning experience. Teachers intending to use these pages for homework purposes should send the dot and numeral card templates home early in the year with a note to parents explaining that they will be used on an ongoing basis and should be stored in a readily accessible location.
Section 2 of this resource focuses on more advanced addition and subtraction strategies based on place value, properties of operations, and the relationship between addition and subtraction. This section builds on the three clusters from Section 1 to take students beyond the basic facts and allow them to see how previously learned mental strategies can be used to compute problems with two and three digit numbers.
Section 3 of this resource contains bonus math centers for students to practice the count on, use doubles, and make a ten clusters. When working in a center with a partner students should be encouraged to:
a) Read the equation aloud.
b) Explain their strategy (students may use the sentence frames included with the games to scaffold their verbal explanations).
c) Record the equation.
The three clusters used for addition can also be used for subtraction. For example, the count on strategy can be used to solve problems with a difference of 0, 1, 2, or 3 such as 6 - 5 or 10 - 7. Knowledge of addition doubles can be used to solve subtraction facts such as 12 - 6 or 17 - 8. Other subtraction problems such as 15-9 can be solved mentally using the make a ten strategy (9 + 1 = 10, 10 + 5 = 15 so 15 – 9 = 6). While addition has turnaround facts such as 5 + 3 = 8 and 3 + 5 = 8, subtraction has partner facts such as 9 – 7 = 2 and 9 – 2 = 7. Focusing on the count on, use doubles and make a ten clusters allows students to develop fluency with all basic addition and subtraction facts.
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Dot Cards 0-5
Draw and cut out your own set of dot cards from 0-5. Store them in an envelope.
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Make 5 on the Five Frame
Draw counters to make five. Write how many to complete the equation.
.
1 + ____ = 5 4 + ____ = 5
2 + ____ = 5 3 + ____ = 5
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5 + ____ = 5 0 + ____ = 5
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Make 5 on the Five Frame
How many different ways can you make five using two addends? Shade in counters on the five frames to
represent number pairs for five. Write an addition fact for each five-frame.
1 + 4 = 5 ____ + ____ = 5
____ + ____ = ____ ____ + ____ = ____
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____ + ____ = ____ ____ + ____ = ____
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Facts of 5 Not Facts of 5
3 + 2 =
3 + 4 = 6 + 1 = 5 + 5 = 1 + 4 =
6 + 3 =
4 + 1 =
2 + 3 = 7 + 1 = 0 + 5 =
Solve the problems. Cut, sort and paste the equations.
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One More on the Five Frame
Draw counters on the five frame to represent each equation. Complete the equation.
.
2 + 1 = ___ 1 + 1 = ___
0 + 1 = ___ 4 + 1 = ___
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3 + 1 = ___
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One More on the Ten Frame
Write the number to complete each sentence. Draw counters on the ten frame to represent each sentence.
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3 + 1 = ___ 5 + 1 = ___ 7 + 1 = ___
2 + 1 = ___ 4 + 1 = ___ 6 + 1 = ___
1 + 1 = ___ 8 + 1 = ___ 9 + 1 = ___©K-5MathTeachingResources.com 14
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Count On (within 10)
Underline the larger number in each problem and write it in the box. Draw counters to represent the smaller number.
Count on from the larger number to find the sum.
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2 + 5 = 7 1 + 4 = __ 6 + 2 = __
6 + 3 = __ 2 + 7 = __ 5 + 3 = __
8 + 2 = __ 7 + 2 = __ 1 + 9 = __
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Number Line Count On
Put your 0-3 numeral cards in one pile. Put your 4-10 numeral cards in another pile. Turn over one numeral card
from each pile. Use the number line to count on 0, 1, 2 or 3 from the largest number. Write the addition fact.
.
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___ + ___ = ___ ___ + ___ = ___ ___ + ___ = ___
___ + ___ = ___ ___ + ___ = ___ ___ + ___ = ___
7 + 2 = ___ ___ + ___ = ___ ___ + ___ = ___
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Doubles to 5+5
Turn over a numeral card (0-5). Double the number and record the addition fact.
.
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___+ ___= ___ ___+ ___= ___
3 + 3 = ___ ___+ ___= ___
___+ ___= ___ ___+ ___= ___
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Count On Use Doubles
4 + 2 =
5 + 5 = 3 + 3 = 3 + 4 = 4 + 4 =
2 + 2 =
3 + 1 =
8 + 1 = 7 + 2 = 6 + 3 =
Solve the problems. Cut, sort and paste the completed equations.
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Make Ten on the Ten Frame
Draw counters to make ten. Complete the equation..
.
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4 + ___ = 10 2 + ___ = 10 3 + ___ = 10
1 + ___ = 10 5 + ___ = 10 7 + ___ = 10
8 + ___ = 10 6 + ___ = 10 9 + ___ = 10
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Make Ten on the Ten Frame
How many different ways can you make ten using two addends? Draw counters on the ten frames to represent
different number pairs for ten. Write an addition equation for each ten frame.
.
.
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5 + ___ = 10 ____________ ____________
____________ ____________ ____________
____________ ____________ ____________
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Facts of Ten
Place your cards (0-10) on the table with the numerals facing up. How many pairs of cards can you find to
equal 10?
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___ + ___ = ___ ___ + ___ = ___ ___ + ___ = ___
___ + ___ = 10 ___ + ___ = 10 ___ + ___ = 10
3 + ___ = 10 ___ + ___ = 10 ___ + ___ = 10
___ + ___ = ___ ___ + ___ = ___
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Make Ten: Missing Addend
Turn over a numeral card (0-10). How many more do you need to add to this number to equal 10?
6 + ___ = 10 ___ + ___ = 10 ___ + ___ = 10
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___ + ___ = 10 ___ + ___ = 10 ___ + ___ = 10
___ + ___ = 10 ___ + ___ = 10 ___ + ___ = 10
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Use Doubles: Double Plus One
Circle all the problems that can be solved using the double plus one strategy. Then go back and
solve the other problems.
3 + 4 = ___ 2 + 7 = ___
6 + 7 = ___ 1 + 8 = ___ 4 + 5 = ___
7 + 8 = ___ 2 + 3 = ___ 8 + 9 = ___
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5 + 6 = 11
5 + 5 = 10
10 + 1 = 11
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Use Doubles: Double Plus Two
Circle all the problems that can be solved using the double plus two strategy. Then go back and
solve the other problems.
3 + 5 = ___ 4 + 6 = ___
6 + 8 = ___ 1 + 9 = ___ 5 + 7 = ___
4 + 2 = ___ 7 + 9 = ___ 10 + 12 = ___
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5 + 7 = 12
5 + 5 = 10
10 + 2 = 12
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Use Doubles: Double Minus One
Circle all the problems that can be solved using the double minus one strategy. Then go back and
solve the other problems.
4 + 3 = ___ 6 + 5 = ___
8 + 2 = ___ 9 + 8 = ___ 5 + 4 = ___
8 + 7 = ___ 3 + 2 = ___ 11 + 10 = ___
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7 + 6 = 13
7 + 7 = 14
14 - 1 = 13
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Make a Ten on the Ten Frame
Draw counters to represent each addend. Make a ten to add.
. 9 + 4 = ____ 8 + 6 = ____ 7 + 5 = ____
.
9 + 5 = ____ 8 + 3 = ____ 7 + 4 = ____
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9 + 4 is the same as 10 + 3
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Make a Ten: Add Nine
Turn over a numeral card (2-10). Write this number in the box. Show how you can break apart this number
to make a ten. Complete the equation. Example: 9 + 7 is the same as 10 + 6, so 9 + 7=16.
. 9 + 7 = ___ 9 + ___ = ___ 9 + ___ = ___
1 + 6
9 + ___ = ___ 9 + ___ = ___ 9 + ___ = ___
9 + ___ = ___ 9 + ___ = ___ 9 + ___ = ___
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