2 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 difference between 64 and 44?

Back

20

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract 29 from 75?

Back

First, regroup 75 to 70 and 5. Borrow 1 from 70 to make 5 into 15. Then, 15 - 9 = 6 and 6 - 2 = 4. The answer is 46.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do if the top digit is smaller than the bottom digit in subtraction?

Back

You regroup by borrowing from the next column to the left.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 84 - 48?

Back

36

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If you have 38 and you subtract 10, what do you get?

Back

28

Tags

CCSS.1.NBT.C.5

Front

What is the first step in subtracting 52 - 29?

Back

Regroup the 52 to 50 and 2, then borrow 1 from 50.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 75 and 37?

Back

38

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you check your subtraction answer?

Back

You can add the difference to the smaller number to see if it equals the larger number.

Tags

CCSS.1.OA.A.1

Front

What is the difference between 100 and 29?

Back

71

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2