Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Tags

CCSS.2.NBT.B.7

Front

What does regrouping mean in addition?

Back

Regrouping in addition means carrying over a value from one column to the next when the sum exceeds 10.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing from the next column when the top number is smaller than the bottom number.

Tags

CCSS.7.NS.A.1C

Front

Solve: 85 - 37 = ?

Back

48

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 97 - 86 = ?

Back

11

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 93 - 27 = ?

Back

66

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 76 - 39 = ?

Back

37

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 82 - 18 = ?

Back

64

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 7 and 5?

Back

The sum of 7 and 5 is 12.

Tags

CCSS.2.OA.C.3