2-Digit Subtraction with Regrouping

Front

What is 2-digit subtraction with regrouping?

Back

It is a method used to subtract two-digit numbers where you need to borrow from the next higher place value when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

What does regrouping mean in subtraction?

Back

Regrouping means rearranging the numbers to make subtraction easier, often by borrowing from the next column.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in 2-digit subtraction with regrouping?

Back

Identify if you need to regroup by checking if the top digit is smaller than the bottom digit in any column.

Tags

CCSS.7.NS.A.1C

Front

How do you borrow in subtraction?

Back

You take 1 from the next column to the left, which adds 10 to the current column.

Tags

CCSS.7.NS.A.1C

Front

What is 71 - 56?

Back

15

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 75 - 26?

Back

49

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 84 - 27?

Back

57

Tags

CCSS.2.NBT.B.5

Front

What is 40 - 13?

Back

27

Tags

CCSS.2.OA.A.1

Front

What is 43 - 18?

Back

25

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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