2 digit subtraction with regrouping

Front

What is the process of 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 without regrouping?

Back

To subtract two-digit numbers without regrouping, simply subtract the digits in each place value column, starting from the rightmost column.

Tags

CCSS.2.NBT.B.7

Front

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

Back

The first step is to check if you need to regroup by comparing the digits in each column from right to left.

Tags

CCSS.7.NS.A.1C

Front

When subtracting 52 - 25, what is the first column you subtract?

Back

The first column to subtract is the ones column, which is 2 - 5.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do when the top digit is smaller than the bottom digit in a subtraction problem?

Back

You regroup by borrowing 1 from the next left column, which increases the top digit by 10.

Tags

CCSS.7.NS.A.1C

Front

In the subtraction 57 - 38, what is the result of the ones column?

Back

In the ones column, you subtract 7 - 8, which requires regrouping, resulting in 17 - 8 = 9.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 33 - 28?

Back

The result of 33 - 28 is 5.

Tags

CCSS.2.OA.A.1

Front

Explain how to check your subtraction answer for accuracy.

Back

To check your subtraction answer, you can add the difference to the smaller number; if the sum equals the larger number, your answer is correct.

Tags

CCSS.1.OA.A.1

Front

What is the importance of place value in subtraction?

Back

Place value is important in subtraction because it determines how you align the numbers and whether you need to regroup.

Tags

CCSS.7.NS.A.1C

Front

How do you handle subtraction when the top digit is zero?

Back

If the top digit is zero, you must regroup from the next left column to perform the subtraction.

Tags

CCSS.2.NBT.B.7