Subtraction with Regrouping

Front

What is subtraction with regrouping?

Back

Subtraction with regrouping is a method used to subtract numbers when the top digit is smaller than the bottom digit in any column, requiring you to borrow from the next column.

Tags

CCSS.7.NS.A.1C

Front

What does it mean to 'borrow' in subtraction?

Back

To 'borrow' means to take 1 from the next higher place value to help subtract a smaller digit from a larger digit in the current place value.

Tags

CCSS.2.NBT.B.7

Front

Solve: 517 - 135 = ?

Back

382

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 55 - 46 = ?

Back

9

Tags

CCSS.2.OA.A.1

Front

Solve: 922 - 355 = ?

Back

567

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 436 - 89 = ?

Back

347

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 324 - 141 = ?

Back

183

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 line up the numbers by their place values (ones, tens, hundreds) before starting the subtraction.

Tags

CCSS.2.NBT.B.7

Front

When do you need to regroup in subtraction?

Back

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

Tags

CCSS.2.NBT.B.7

Front

What is the result of 100 - 75?

Back

25

Tags

CCSS.1.NBT.C.5