Operations on whole numbers

Front

65 - 28 =

Back

37

Front

154 - 72 =

Back

82

Front

24 - 12 =

Back

12

Front

45 - 39 =

Back

6

Front

662 + 877 =

Back

1539

Front

What is subtraction?

Back

Subtraction is the operation of finding the difference between two numbers.

Front

What is addition?

Back

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

Front

What is the result of 10 + 5?

Back

15

Front

What is the result of 20 - 5?

Back

15

Front

What is the sum of 3 and 4?

Back

7