CCSS 4 th Grade Numbers and Operations in Base Ten 5.1 Multiply a whole number of up to four digits...

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Transcript of CCSS 4 th Grade Numbers and Operations in Base Ten 5.1 Multiply a whole number of up to four digits...
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply a whole number of up to four digits by a onedigit whole number, and multiply two twodigit numbers, using
strategies based on place value and the properties of operations. Illustrate and explain the calculation by using
equations, rectangular arrays, and/or area models.Lesson to be used by EDItrained teachers only.
READY TO TEACHSM EDI® Lessons©2013 All rights reserved.
We will multiply by multiples of 10, 100, and 1000.
What are we going to learn?What are we going to learn?
CFUCFU
Students, you already know how to write numbers as an amount of tens, hundreds, or thousands. Now, we will multiply by multiples of 10, 100, and 1000.
Students, you already know how to write numbers as an amount of tens, hundreds, or thousands. Now, we will multiply by multiples of 10, 100, and 1000.
Make ConnectionMake Connection
Multiples of 10: 10, 20, 30, 40, … , 80, 90, …
Multiples of 100: 100, 200, 300, … , 1600, 1700, …
Multiples of 1000: 1000, 2000, 3000, … ,18000, 19000 …
Write the number as an amount of tens, hundreds, or thousands.
NameLearning Objective
Learning Objective
Activate Prior Knowledge
Activate Prior Knowledge
1.) 1500 2.) 2000
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
To multiply is to do repeated addition of equal groups.•Factors are the numbers being multiplied.•The product is the answer to the multiplication problem.•There is a placevalue strategy1 for multiplying by multiples of 10, 100, and 1000.
For the multiplication problem above, which are the factors? Which is the product?
The factors are ____________.
The product is _____________.
Which multiplication problem can be solved using the placevalue strategy you just learned? How do you know?
A 5 726B 5 700
For the multiplication problem above, which are the factors? Which is the product?
The factors are ____________.
The product is _____________.
Which multiplication problem can be solved using the placevalue strategy you just learned? How do you know?
A 5 726B 5 700
CFU 1 CFU 1
Go toSkill Dev 1
1 a plan on how to do something1 a plan on how to do something
VocabularyVocabulary
Concept Development 1Concept Development 1
7 400 = 2,800
factors product
3 500 = 1,500
500 500 500
3 groups of 500
+ +
3 518
518 is not a multiple of 10, 100, or 1000
Cannot use the placevalue strategy above to multiply:
3 5 hundreds
15 hundreds
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
To multiply is to do repeated addition of equal groups.•Factors are the numbers being multiplied.•The product is the answer to the multiplication problem.•There is a placevalue strategy for multiplying by multiples of 10, 100, and 1000.
Which choice is equal to:
7 tens 4 tens
A 7 4 hundredsB 7 4 tensC 7 4 thousands
For the 10 groups of 30 blocks, circle 10 groups of 10 blocks. How many blocks are in ten tens?
Which choice is equal to:
7 tens 4 tens
A 7 4 hundredsB 7 4 tensC 7 4 thousands
For the 10 groups of 30 blocks, circle 10 groups of 10 blocks. How many blocks are in ten tens?
CFU 2 CFU 2
Go toSkill Dev 2
Concept Development 2Concept Development 2
7 400 = 2,800
factors product
10 30 = 300
10 groups of 30
+30 +30 +30 +30 +30 +30 +30 +30 +30 30
1 ten x 3 tens
1 x 3 hundreds
3 hundreds
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
To multiply is to do repeated addition of equal groups.•There is a placevalue strategy for multiplying by multiples of 10, 100, and 1000.
Multiply by multiples of 10, 100, and 1000.1 Rewrite the factor(s) as an amount of tens, hundreds, or thousands.
Multiply. (write) Remember: Ten tens is a hundred.
Write the product as a number. 23
Skill Development/Guided Practice 1
Skill Development/Guided Practice 1
10 tens is a hundred
10 hundreds is a thousand
1. 6 400 = _______ 2. 3 200 = _______
3. 3 600 = _______ 4. 2 800 = _______
5. 5 4,000 = _______ 6. 7 5,000 = _______
Which multiplication problem can be solved using the placevalue strategy you just learned? How do you know?
A 8 3002 B 8 3000 C 5 6210
How did I/you rewrite the factors as an amount of tens, hundreds, or thousands??How did I/you multiply?How did I/you write the product as a number?
How did I/you rewrite the factors as an amount of tens, hundreds, or thousands??How did I/you multiply?How did I/you write the product as a number?
CFUCFU
1
2
3
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
Multiply by multiples of 10, 100, and 1000.1 Rewrite the factor(s) as an amount of tens, hundreds, or thousands.
Multiply. (write) Remember: Ten tens is a hundred.
Write the product as a number. 23
Skill Development/Guided Practice 2
Skill Development/Guided Practice 2
1. 40 30 = _______ 2. 30 70 = _______
3. 80 50 = _______ 4. 50 40 = _______
To multiply is to do repeated addition of equal groups.•There is a placevalue strategy for multiplying by multiples of 10, 100, and 1000.
10 tens is a hundred
10 hundreds is a thousand
Which multiplication problem can be solved using the placevalue strategy you just learned? How do you know?
A 50 32 B 50 30 C 40 60
How did I/you rewrite the factors as an amount of tens, hundreds, or thousands??How did I/you multiply?How did I/you write the product as a number?
How did I/you rewrite the factors as an amount of tens, hundreds, or thousands??How did I/you multiply?How did I/you write the product as a number?
CFUCFU
1
2
3
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
Skill Development/Guided Practice 2 (continued)
Skill Development/Guided Practice 2 (continued)
How did I/you determine what the question is asking?How did I/you determine the math concept required?How did I/you determine the relevant information?How did I/you solve and interpret the problem?How did I/you check the reasonableness of the answer?
How did I/you determine what the question is asking?How did I/you determine the math concept required?How did I/you determine the relevant information?How did I/you solve and interpret the problem?How did I/you check the reasonableness of the answer?
CFUCFU
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5
1. Each section in the stadium at Martin Luther King Jr. High School holds 2,000 people. There are 5 sections in the stadium. How many people will the stadium hold?
2. Nahla and Hans want to know how many seats are in the auditorium at their school. Nahla counts 30 seats in a row. Hans counted 50 rows. How many seats are there?
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
Multiplying by multiples of 10, 100, and 1000 will help you in business careers.
Multiplying by multiples of 10, 100, and 1000 will help you do well on tests.
1
Does anyone else have another reason why it is relevant to multiply by multiples of 10, 100, and 1000? (PairShare) Why is it relevant to multiply by multiples of 10, 100, and 1000? You may give one of my reasons or one of your own. Which reason is more relevant to you? Why?
Does anyone else have another reason why it is relevant to multiply by multiples of 10, 100, and 1000? (PairShare) Why is it relevant to multiply by multiples of 10, 100, and 1000? You may give one of my reasons or one of your own. Which reason is more relevant to you? Why?
CFUCFU
2
To multiply is to do repeated addition of equal groups.•There is a placevalue strategy for multiplying by multiples of 10, 100, and 1000.
RelevanceRelevance
Sample Test Question:
14. Does the multiplication problem have a product of 4,000? Select Yes or No for A – D.
A. 8 100O Yes O No
B. 2 2000 O Yes O No
C. 50 80O Yes O No
D. 80 80O Yes O No
Item Amount per Box
paperclip 400
paper 2,000
rubber band 500
pens 30
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
What did you learn today about multiplying by multiples of 10, 100, and 1000? (PairShare) Use words from the word bank.
Day 1 ____________________________________________________________
_________________________________________________________________
Day 2 ____________________________________________________________
_________________________________________________________________
Skill ClosureSkill Closure
Access Common CoreAccess Common Core
Summary ClosureSummary Closure
Multiply by multiples of 10, 100, and 1000.1 Rewrite the factor(s) as an amount of tens, hundreds, or thousands.
Multiply. (write) Remember: Ten tens is a hundred.
Write the product as a number. 23
1. 8 3000 = _______ 2. 50 60 = _______
Let = 100.
Draw 5 200
To multiply is to do repeated addition of equal groups.•There is a placevalue strategy for multiplying by multiples of 10, 100, and 1000.
10 tens is a hundred
10 hundreds is a thousand
Word Bank
multiplyfactorsproduct
place valuemultiples
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
NameIndependent Practice
Independent Practice
Multiply by multiples of 10, 100, and 1000.1 Rewrite the factor(s) as an amount of tens, hundreds, or thousands.
Multiply. (write) Remember: Ten tens is a hundred.
Write the product as a number. 23
1. 4 3000 = _______ 2. 7 200 = _______
3. 5 200 = _______ 4. 6 500 = _______
5. 50 90 = _______ 6. 70 70 = _______
7. 40 50 = _______ 8. 20 50 = _______
To multiply is to do repeated addition of equal groups.•There is a placevalue strategy for multiplying by multiples of 10, 100, and 1000.
10 tens is a hundred10 hundreds is a thousand
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
NamePeriodic Review 1
Periodic Review 1
Access Common CoreAccess Common Core
1. 5 9000 = _______ 2. 80 70 = _______
Multiply by multiples of 10, 100, and 1000.
3. 8 8000 = _______ 4. 60 60 = _______
Correct the following math worksheet. If an answer is incorrect, cross it out and write the correct answer.
Multiply by multiples of 10, 100, and 1000.
Name ____________________
1. 60 90 = _______ 2. 7 2000 = _______
3. 5 300 = _______ 4. 4 500 = _______
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
NamePeriodic Review 2
Periodic Review 2
Access Common CoreAccess Common Core
1. 7 7000 = _______ 2. 90 80 = _______
Multiply by multiples of 10, 100, and 1000.
3. 6 7000 = _______ 4. 50 50 = _______
1. Does the multiplication problem have a product of 2,000? Select Yes or No for A – D.
A. 2 100 O Yes O No
B. 2 1000 O Yes O No
C. 50 40 O Yes O No
D. 20 20 O Yes O No
2. Does the multiplication problem have a product of 4,000? Select Yes or No for A – D.
A. 50 80 O Yes O No
B. 10 40 O Yes O No
C. 50 40 O Yes O No
D. 2 2000 O Yes O No
3. Does the multiplication problem have a product of 1,000? Select Yes or No for A – D.
A. 5 1000 O Yes O No
B. 50 20 O Yes O No
C. 10 10 O Yes O No
D. 2 500 O Yes O No
4. Does the multiplication problem have a product of 3,000? Select Yes or No for A – D.
A. 6 500 O Yes O No
B. 3 100 O Yes O No
C. 60 50 O Yes O No
D. 30 10 O Yes O No
CCSS 4th Grade Numbers and Operations in Base Ten 5.1Multiply by multiples of 10, 100, and 1000.
Lesson to be used by EDItrained teachers only. ©2013 All rights reserved.
NamePeriodic Review 3
Periodic Review 3
Access Common CoreAccess Common Core
1. 50 90 = _______ 2. 40 50 = _______
Multiply by multiples of 10, 100, and 1000.
3. 8 9000 = _______ 4. 70 50 = _______
Item Amount per Box
paperclip 400
paper 2,000
rubber band 500
pens 30
Margie is ordering supplies for the office. Answer the questions using the table below.
1. How many sheets of paper would she get if she bought 5 boxes?
2. How many pens would she get if she bought 40 boxes?
3. How many rubber bands would she get if she bought 6 boxes?