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 a smaller digit from a larger digit.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract 9 from 4 in the ones place?

Back

You cannot subtract 9 from 4 directly, so you need to regroup by borrowing 1 from the tens place.

Tags

CCSS.7.NS.A.1C

Front

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

Back

The first step is to check if you can subtract the digits in the ones place without regrouping.

Tags

CCSS.7.NS.A.1C

Front

Solve: 44 - 29

Back

15

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 51 - 29

Back

22

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 87 - 49

Back

38

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 46 - 29

Back

17

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 26 - 19

Back

7

Tags

CCSS.2.OA.A.1

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 left digit.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 10 - 7?

Back

3

Tags

CCSS.1.OA.C.6