Double Digit Subtraction

Front

What is double digit subtraction?

Back

Double digit subtraction involves subtracting numbers that have two digits, requiring borrowing in some cases.

Tags

CCSS.7.NS.A.1C

Front

How do you perform subtraction with borrowing?

Back

When the top digit is smaller than the bottom digit in a column, you borrow 1 from the next left column, adding 10 to the current column.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 34 and 26?

Back

The difference is 8.

Tags

CCSS.2.OA.A.1

Front

What is the result of 42 - 31?

Back

The result is 11.

Tags

CCSS.2.NBT.B.5

Front

How do you check your subtraction answer?

Back

You can check your subtraction answer by adding the difference to the smaller number to see if it equals the larger number.

Tags

CCSS.1.OA.A.1

Front

What is the sum of 34 and 24?

Back

The sum is 58.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the result of 52 + 12?

Back

The result is 64.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the process of regrouping in subtraction?

Back

Regrouping is the process of borrowing from the next column when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between 33 and 26?

Back

The difference is 7.

Tags

CCSS.2.OA.A.1

Front

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

Back

The first step is to line up the numbers by their place values.

Tags

CCSS.5.NBT.B.7