2 digit subtraction with regrouping

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next higher place value to help subtract when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract 57 - 38?

Back

First, regroup 57 to 47 and 10. Then subtract: 47 - 38 = 19.

Tags

CCSS.2.NBT.B.6

Front

What is the result of 43 - 19?

Back

The result is 24.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract 22 - 18?

Back

Subtract directly: 22 - 18 = 4.

Tags

CCSS.1.OA.C.6

Front

What is the result of 72 - 42?

Back

The result is 30.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract 71 - 45?

Back

First, regroup 71 to 61 and 10. Then subtract: 61 - 45 = 26.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean to borrow in subtraction?

Back

Borrowing means taking 1 from the next higher place value to make the current digit larger for subtraction.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in subtracting with regrouping?

Back

Check if the top digit is smaller than the bottom digit in any column.

Tags

CCSS.5.NBT.B.7

Front

What is the result of 57 - 38?

Back

The result is 19.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 43 - 19?

Back

The result is 24.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2