Add and Subtract with Regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is when you combine numbers that are more than ten and carry over to the next place value.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next place value to subtract a larger number from a smaller number.

Tags

CCSS.7.NS.A.1C

Front

16 + 18 = ?

Back

34

Tags

CCSS.2.NBT.B.5

Front

34 + 47 = ?

Back

81

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

10 + 20 + 30 + 40 = ?

Back

100

Tags

CCSS.1.NBT.C.5

Front

14 + 36 = ?

Back

50

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

42 - 19 = ?

Back

23

Tags

CCSS.2.NBT.B.5

Front

What does it mean to add?

Back

To add means to combine two or more numbers to find a total.

Tags

CCSS.1.OA.A.1

Front

What does it mean to subtract?

Back

To subtract means to take one number away from another.

Tags

CCSS.1.OA.A.1

Front

What is the sum of two numbers?

Back

The sum is the result of adding two or more numbers together.

Tags

CCSS.1.OA.A.1