Two-Digit Subtraction with Regrouping

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next higher place value to help subtract when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 64 - 26?

Back

38

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 83 - 65?

Back

18

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 74 - 31?

Back

43

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 81 - 56?

Back

25

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If Pop has 25 posters and buys 15 more, how many does he have before giving any away?

Back

25 + 15 = 40 posters.

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CCSS.2.OA.A.1

Front

If Pop gives away 13 posters from his total of 40, how many does he have left?

Back

40 - 13 = 27 posters.

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CCSS.2.OA.A.1

Front

What does it mean to subtract?

Back

To subtract means to take one number away from another.

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CCSS.1.OA.A.1

Front

What is a two-digit number?

Back

A two-digit number is a number that has two places, such as 10 to 99.

Tags

CCSS.1.NBT.A.1

Front

What is the first step in subtracting two-digit numbers with regrouping?

Back

Look at the ones place and see if you need to regroup.

Tags

CCSS.7.NS.A.1C