Subtraction with regrouping

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Tags

CCSS.2.NBT.B.7

Front

What does regrouping mean in subtraction?

Back

Regrouping is when you rearrange numbers to make subtraction easier, especially when the top number is smaller than the bottom number.

Tags

CCSS.7.NS.A.1C

Front

Solve: 45 - 32 = ?

Back

13

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 34 - 19 = ?

Back

15

Tags

CCSS.2.OA.A.1

Front

Solve: 86 - 50 = ?

Back

36

Tags

CCSS.2.NBT.B.5

Front

Solve: 76 - 59 = ?

Back

17

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 57 - 24 = ?

Back

33

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in subtraction with regrouping?

Back

The first step is to check if you need to regroup by comparing the digits in each column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

When do you need to regroup in subtraction?

Back

You need to regroup when the top digit is smaller than the bottom digit in any column.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 10 - 7?

Back

3

Tags

CCSS.1.OA.C.6