Adding and Subtracting within 100

Front

72 + 12 = ?

Back

84

Tags

CCSS.2.NBT.B.5

Front

98 - 43 = ?

Back

55

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

79 - 52 = ?

Back

27

Tags

CCSS.2.NBT.B.5

Front

51 + 11 = ?

Back

62

Tags

CCSS.2.NBT.B.5

Front

40 + 23 = ?

Back

63

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

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 finding the difference between two numbers by taking one number away from another.

Tags

CCSS.2.OA.A.1

Front

What is the sum of 30 and 20?

Back

50

Tags

CCSS.2.NBT.B.5

Front

What is the difference between 60 and 25?

Back

35

Tags

CCSS.2.OA.A.1

Front

If you have 10 apples and you buy 5 more, how many apples do you have?

Back

15 apples

Tags

CCSS.2.NBT.B.6