2-Digit Subtraction with Regrouping

Front

What is 2-Digit Subtraction?

Back

2-Digit Subtraction is the process of subtracting a two-digit number from another two-digit number.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does regrouping mean in subtraction?

Back

Regrouping is when you borrow from the next higher place value to help with subtraction.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in 2-Digit Subtraction?

Back

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

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract in the ones place?

Back

Subtract the digits in the ones place. If the top digit is smaller, regroup from the tens place.

Tags

CCSS.2.NBT.B.7

Front

What do you do if you need to regroup?

Back

If you need to regroup, take 1 from the tens place and add 10 to the ones place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 45 - 2?

Back

43

Tags

CCSS.1.OA.C.6

Front

What is 54 - 7?

Back

47

Tags

CCSS.2.OA.A.1

Front

What is 72 - 3?

Back

69

Tags

CCSS.1.OA.C.6

Front

What is 79 - 9?

Back

70

Tags

CCSS.2.NBT.B.5

Front

What is 82 - 7?

Back

75

Tags

CCSS.7.NS.A.1C