Two-Digit Subtraction with Regrouping

Front

What is regrouping in subtraction?

Back

Regrouping is the process of rearranging numbers when subtracting, especially when the top digit is smaller than the bottom digit in a column.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between 50 and 27?

Back

23

Tags

CCSS.2.OA.A.1

Front

If a store has 34 shirts and 7 are blue, how many are white?

Back

27 white shirts.

Tags

CCSS.2.OA.A.1

Front

What is 46 - 28?

Back

18

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you write a number sentence for a subtraction problem?

Back

A number sentence shows the numbers and the operation, like 45 - 27 = 18.

Tags

CCSS.1.OA.A.1

Front

What does it mean to find the difference?

Back

Finding the difference means subtracting one number from another.

Tags

CCSS.5.NBT.B.7

Front

What is the first step in two-digit subtraction?

Back

Line up the numbers by place value.

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?

Back

You regroup by borrowing from the next left column.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 70 - 25?

Back

45

Tags

CCSS.2.NBT.B.5

Front

If you have 50 apples and give away 23, how many do you have left?

Back

27 apples.

Tags

CCSS.2.OA.A.1