Subtraction with Regrouping

Front

What is subtraction?

Back

Subtraction is taking away a number from another number. It shows how many are left.

Tags

CCSS.2.NBT.B.7

Front

What does regrouping mean in subtraction?

Back

Regrouping is when you rearrange numbers to make subtraction easier, especially when you have to borrow from the next place value.

Tags

CCSS.7.NS.A.1C

Front

Solve: 64 - 19

Back

45

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 46 - 29

Back

17

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 80 - 49

Back

31

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 25 - 7

Back

18

Tags

CCSS.2.OA.A.1

Front

If you have 65 geese and 28 fly away, how many are left?

Back

37 geese are left.

Tags

CCSS.2.OA.A.1

Front

What is the first step in subtraction with regrouping?

Back

The first step is to look at the digits in each place value and see if you need to borrow.

Front

When do you need to borrow in subtraction?

Back

You need to borrow when the top digit is smaller than the bottom digit in any place value.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 100 - 45?

Back

55

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2