Subtraction with regrouping

Front

What is subtraction?

Back

Subtraction is taking away a number from another number. It shows how many are left.

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: 927 - 643

Back

284

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference?

Back

The difference is the result of subtracting one number from another.

Tags

CCSS.1.OA.A.1

Front

Solve: 736 - 495

Back

241

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do when you can't subtract a smaller digit from a larger digit in a column?

Back

You regroup from the next column to make the top number larger.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 85 - 0

Back

85

Tags

CCSS.2.OA.A.1

Front

What is the first step in subtraction with regrouping?

Back

Look at the rightmost column and see if you can subtract the bottom number from the top number.

Tags

CCSS.7.NS.A.1C

Front

Solve: 100 - 45

Back

55

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What happens if the top number is smaller than the bottom number in a column?

Back

You need to regroup from the next column to borrow a value.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2