Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place...

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Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases: a. 100 can be thought of as a bundle of ten tens — called a “hundred.” b. The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones). 4. Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.

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Transcript of Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place...

Page 1: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

Second Grade CCSS Topic forAugust and September

Number and Operations in Base Ten Understand place value1.Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases: a. 100 can be thought of as a bundle of ten tens — called a “hundred.” b. The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).

4. Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.

 

Page 2: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

Mathematically Proficient Students can: • Explain to themselves the meaning of a problem • Look for entry points to its solution • Analyze givens, constraints relationships and goals • Make conjecture about the form and meaning of solution • Plan a solution pathway • Ask themselves “Does this make sense?” • Younger students might rely on using concrete objects or pictures to help conceptualize problems using a different method

Mathematical Practice Standard:1.Make sense of problems and persevere in solving them.

Page 3: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:

• 10 stamps in each strip• 10 strips of 10 in each sheet

Yesterday Mike saw 4 full sheets, 7 strips, and 2 extra stamps in the drawer. How many stamps were in the drawer?

Page 4: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:

• 10 stamps in each strip• 10 strips of 10 in each sheet

Yesterday Mike saw 4 full sheets, 7 strips, and 2 extra stamps in the drawer. How many stamps were in the drawer?

Page 5: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:

• 10 stamps in each strip• 10 strips of 10 in each sheet

Yesterday Mike saw 4 full sheets, 7 strips, and 2 extra stamps in the drawer. How many stamps were in the drawer?

Page 6: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:

• 10 stamps in each strip• 10 strips of 10 in each sheet

Yesterday Mike saw 4 full sheets, 7 strips, and 2 extra stamps in the drawer. How many stamps were in the drawer?

Page 7: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:

• 10 stamps in each strip• 10 strips of 10 in each sheet

Yesterday Mike saw 4 full sheets, 7 strips, and 2 extra stamps in the drawer. How many stamps were in the drawer?

Page 8: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:

• 10 stamps in each strip• 10 strips of 10 in each sheet

Yesterday Mike saw 4 full sheets, 7 strips, and 2 extra stamps in the drawer. How many stamps were in the drawer?

There are 472 stamps in the drawer.

Page 9: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:

• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 10: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 11: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 12: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 13: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 14: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 15: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 16: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 17: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Page 18: Second Grade CCSS Topic for August and September Number and Operations in Base Ten Understand place value 1.Understand that the three digits of a three-digit.

The post office packages stamps like this:• 10 stamps in each strip• 10 strips of 10 in each sheet

Today Mike sees 3 extra stamps, 1 sheet and 5 strips. Does he have more, fewer or the same as yesterday?

Since 472 is greater than 153, Mike has fewer stamps than yesterday.


MATHEMATICS CURRICULUM GUIDELINES · Comparing and ordering Iodd and even numbers. One mdigit. Two digits. M Three digits. I comparisons with the symbols >, =, and < I Estimate.

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Number Systems Decimal (Base 10) 10 digits (0,1,2,3,4,5,6,7,8,9) Binary (Base 2) 2 digits (0,1) Digits are often called bits (binary digits) Hexadecimal.

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