2 digit subtraction with 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 digits in each column starting from the right, and regroup if necessary.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 71 and 45?

Back

The difference between 71 and 45 is 26.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between 24 and 16?

Back

The difference between 24 and 16 is 8.

Tags

CCSS.2.OA.A.1

Front

What is the difference between 33 and 28?

Back

The difference between 33 and 28 is 5.

Tags

CCSS.2.OA.A.1

Front

What is the difference between 36 and 18?

Back

The difference between 36 and 18 is 18.

Tags

CCSS.2.OA.A.1

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 write the numbers in a vertical format, aligning them by place value.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you handle borrowing when subtracting?

Back

When borrowing, decrease the digit in the next higher place value by one and add 10 to the current place value.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 29 - 0?

Back

The result of 29 - 0 is 29.

Tags

CCSS.2.NBT.B.5