2 digit subtraction with regrouping

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next higher place value to help subtract when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in subtracting two-digit numbers with regrouping?

Back

The first step is to check if you need to regroup. If the top digit in any column is smaller than the bottom digit, you will need to regroup.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract 5 from 7 in the ones place?

Back

You can subtract 5 from 7 directly because 7 is greater than 5. The answer is 2.

Tags

CCSS.1.OA.A.1

Front

What do you do if you need to subtract 8 from 3 in the ones place?

Back

You cannot subtract 8 from 3 directly, so you need to regroup from the tens place.

Tags

CCSS.6.NS.B.3

Front

What is the result of 75 - 36?

Back

The result is 39.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 74 - 57?

Back

The result is 17.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 22 - 18?

Back

The result is 4.

Tags

CCSS.2.OA.A.1

Front

What is the result of 37 - 0?

Back

The result is 37.

Tags

CCSS.1.OA.B.3

Front

What is the result of 50 - 21?

Back

The result is 29.

Tags

CCSS.2.NBT.B.5

Front

What does 'difference' mean in subtraction?

Back

The difference is the result you get when you subtract one number from another.

Tags

CCSS.7.NS.A.3