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

Back

You regroup by borrowing 1 from the next higher place value.

Tags

CCSS.7.NS.A.1C

Front

71 - 45 = ?

Back

26

Tags

CCSS.2.NBT.B.5

Front

81 - 56 = ?

Back

25

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

36 - 18 = ?

Back

18

Tags

CCSS.2.OA.A.1

Front

84 - 39 = ?

Back

45

Tags

CCSS.2.NBT.B.5

Front

65 - 27 = ?

Back

38

Tags

CCSS.2.NBT.B.5

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 check your subtraction answer?

Back

You can check your answer by adding the difference to the smaller number to see if you get the larger number.

Tags

CCSS.1.OA.A.1

Front

What is the difference between 2-digit subtraction and 1-digit subtraction?

Back

2-digit subtraction may require regrouping, while 1-digit subtraction usually does not.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2