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

How do you subtract 2-digit numbers?

Back

To subtract 2-digit numbers, align the numbers by place value, subtract the ones place first, and if needed, regroup from the tens place.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 33 - 28?

Back

5

Tags

CCSS.2.OA.A.1

Front

What is the result of 43 - 19?

Back

24

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Front

What is the result of 54 - 17?

Back

37

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 22 - 18?

Back

4

Tags

CCSS.2.OA.A.1

Front

What is the result of 57 - 38?

Back

19

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do if the top digit is smaller than the bottom digit in subtraction?

Back

You regroup by borrowing 1 from the next higher place value.

Tags

CCSS.2.NBT.B.6

Front

What is the first step in subtracting 2-digit numbers?

Back

Align the numbers by their place values.

Tags

CCSS.7.NS.A.1C

Front

What does it mean to borrow in subtraction?

Back

To borrow means to take 1 from the next higher place value to help with the subtraction.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2