Two digit subtraction with regrouping

Front

What is regrouping in subtraction?

Back

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

Tags

CCSS.7.NS.A.1C

Front

How do you subtract two-digit numbers with regrouping?

Back

To subtract two-digit numbers with regrouping, start from the rightmost digit. If the top digit is smaller than the bottom digit, borrow from the next left digit, adjust the top digit, and then perform the subtraction.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 46 - 29?

Back

The result of 46 - 29 is 17.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 87 - 49?

Back

The result of 87 - 49 is 38.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 62 - 37?

Back

The result of 62 - 37 is 25.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 44 - 29?

Back

The result of 44 - 29 is 15.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 72 - 56?

Back

The result of 72 - 56 is 16.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the importance of place value in subtraction?

Back

Place value is important in subtraction because it determines how digits are aligned and how regrouping is performed when the top digit is smaller than the bottom digit.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What steps should you follow when regrouping in subtraction?

Back

1. Identify the digits to subtract. 2. Check if regrouping is needed (if the top digit is smaller). 3. Borrow from the next left digit. 4. Adjust the top digit and perform the subtraction.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Can you explain the term 'borrowing' in subtraction?

Back

Borrowing in subtraction refers to taking 1 from the next left digit to increase the current digit by 10, allowing for the subtraction to be performed.

Tags

CCSS.7.NS.A.1C