2 Digit Subtraction w/ Regrouping

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next higher place value when the top digit is smaller than the bottom digit in a column.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract two-digit numbers?

Back

To subtract two-digit numbers, align the numbers by place value, subtract the ones place, and if necessary, regroup from the tens place.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 55 - 26?

Back

The result of 55 - 26 is 29.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 74 - 57?

Back

The result of 74 - 57 is 17.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 62 - 49?

Back

The result of 62 - 49 is 13.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 43 - 19?

Back

The result of 43 - 19 is 24.

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Front

What is the result of 54 - 17?

Back

The result of 54 - 17 is 37.

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 in subtraction when the digit in the top number is smaller than the digit in the bottom number in any column.

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Front

What is the first step in solving a two-digit subtraction problem?

Back

The first step is to align the numbers by their place values (tens and ones).

Tags

CCSS.2.NBT.B.7

Front

How do you handle subtraction when the top digit is smaller than the bottom digit?

Back

You borrow 1 from the next left column, which decreases the top digit in that column by 1 and increases the top digit in the current column by 10.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2