Two-Digit Subtraction with Regrouping

Front

What is two-digit subtraction?

Back

Two-digit subtraction is the process of subtracting one 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 in subtraction means borrowing from the next higher place value when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in two-digit subtraction?

Back

The first step is to line up the numbers by their place values (tens and ones).

Tags

CCSS.2.NBT.B.7

Front

How do you subtract the ones place in 97 - 86?

Back

Subtract the ones: 7 - 6 = 1.

Tags

CCSS.2.NBT.B.6

Front

How do you subtract the tens place in 97 - 86?

Back

Subtract the tens: 9 - 8 = 1.

Tags

CCSS.2.NBT.B.7

Front

What is the final answer for 97 - 86?

Back

The final answer is 11.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If there are 65 geese and 28 fly away, how do you find out how many are left?

Back

You subtract: 65 - 28.

Tags

CCSS.2.OA.A.1

Front

What is the answer to 65 - 28?

Back

The answer is 37.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the process of borrowing in subtraction?

Back

Borrowing is taking 1 from the next higher place value to help subtract when the top digit is smaller.

Tags

CCSS.7.NS.A.1C

Front

How do you solve 64 - 26?

Back

First, subtract the ones: 4 - 6 (borrow 1), then subtract the tens: 5 - 2.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2