Two-Digit Subtraction with Regrouping

Front

What is two-digit subtraction with regrouping?

Back

It is a method used to subtract numbers that have two digits, where you may need to borrow from the next higher place value.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean to regroup in subtraction?

Back

Regrouping means to borrow from the next place value when the top digit is smaller than the bottom digit in a subtraction problem.

Tags

CCSS.7.NS.A.1C

Front

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

Back

A number sentence for subtraction shows the numbers being subtracted and the equal sign, like '45 - 27 = 18'.

Tags

CCSS.1.OA.A.1

Front

If a boat can hold 45 people and has space for 27 more, how many people are on the boat?

Back

45 - 27 = 18, so there are 18 people on the boat.

Tags

CCSS.1.OA.A.1

Front

What is the first step in subtracting 1 from 6 in the ones place?

Back

You cannot subtract 1 from 6, so you need to regroup by borrowing 1 ten to make 11 ones.

Tags

CCSS.5.NBT.B.7

Front

If Dan has 29 animal pictures and Kayla has 37, how do you find out how many more pictures Kayla has?

Back

You subtract Dan's pictures from Kayla's: 37 - 29 = 8.

Tags

CCSS.5.NBT.B.7

Front

How many white shirts are there if a store sells 34 shirts and 7 are blue?

Back

34 - 7 = 27, so there are 27 white shirts.

Tags

CCSS.2.OA.A.1

Front

What is the difference between 50 and 25?

Back

50 - 25 = 25.

Tags

CCSS.2.OA.A.1

Front

What do you do if you need to subtract a larger digit from a smaller digit?

Back

You regroup by borrowing from the next place value.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 11 - 6 after regrouping?

Back

After regrouping, 11 - 6 = 5.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5