2-Digit Subtraction with Regrouping

Front

What is 2-digit subtraction?

Back

2-digit subtraction is the process of subtracting a number that has two digits from another two-digit number.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing from the next higher place value when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in 2-digit subtraction with regrouping?

Back

The first step is to look at the ones place and see if you need to regroup.

Tags

CCSS.2.NBT.B.7

Front

How do you subtract when the top digit is smaller than the bottom digit?

Back

You need to regroup by borrowing 1 from the next column to make the top digit larger.

Tags

CCSS.7.NS.A.1C

Front

What is 54 - 7?

Back

47

Tags

CCSS.2.OA.A.1

Front

What is 87 - 5?

Back

82

Tags

CCSS.2.OA.A.1

Front

What is 91 - 8?

Back

83

Tags

CCSS.2.OA.A.1

Front

What is 79 - 9?

Back

70

Tags

CCSS.2.NBT.B.5

Front

What is 82 - 7?

Back

75

Tags

CCSS.7.NS.A.1C

Front

What do you do after regrouping?

Back

After regrouping, you can subtract the numbers in each place value.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2