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 in a column.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 29 - 11?

Back

18

Tags

CCSS.2.OA.A.1

Front

What is the result of 57 - 45?

Back

12

Tags

CCSS.7.NS.A.1C

Front

What is the result of 34 - 19?

Back

15

Tags

CCSS.7.NS.A.1C

Front

What is the result of 45 - 32?

Back

13

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 86 - 50?

Back

36

Tags

CCSS.2.NBT.B.5

Front

How do you subtract 1 from a number in the tens place?

Back

If the tens place is 0, you need to regroup from the hundreds place.

Tags

CCSS.2.NBT.B.7

Front

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

Back

You regroup from the next left column.

Tags

CCSS.2.NBT.B.7

Front

What is the first step in subtraction with regrouping?

Back

Line up the numbers by place value.

Tags

CCSS.7.NS.A.1C