Adding and Subtracting within 100

Front

66 + 33 = ?

Back

99

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

51 + 11 = ?

Back

62

Tags

CCSS.2.NBT.B.5

Front

72 + 12 = ?

Back

84

Tags

CCSS.2.NBT.B.5

Front

73 - 21 = ?

Back

52

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

79 - 52 = ?

Back

27

Tags

CCSS.2.NBT.B.5

Front

What is addition?

Back

Addition is combining two or more numbers to get a total.

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is taking one number away from another.

Tags

CCSS.2.NBT.B.7

Front

What is the sum of 10 and 5?

Back

15

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the difference between 20 and 8?

Back

12

Tags

CCSS.2.OA.A.1

Front

If you have 30 apples and you give away 10, how many do you have left?

Back

20 apples.

Tags

CCSS.2.OA.A.1