Addition and Subtraction within 100

Front

15 + 2 = ?

Back

17

Front

45 - 24 = ?

Back

21

Front

63 + 15 = ?

Back

78

Front

73 - 40 = ?

Back

33

Front

48 + 12 = ?

Back

60

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 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 you give away 10, how many do you have left?

Back

20