Adding and Subtracting within 100

Front

98 - 27 = ?

Back

71

Front

51 + 11 = ?

Back

62

Front

79 - 52 = ?

Back

27

Front

66 + 33 = ?

Back

99

Front

44 + 28 = ?

Back

72

Front

What is addition?

Back

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

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is the sum of 10 and 5?

Back

15

Front

What is the difference between 20 and 8?

Back

12

Front

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

Back

20