Adding and Subtracting to 20

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

4 + 5 = ?

Back

9

Front

10 + 6 = ?

Back

16

Front

10 + 5 = ?

Back

15

Front

5 + 4 = ?

Back

9

Front

15 - 8 = ?

Back

7

Front

What is the sum of two numbers?

Back

The sum is the result of adding two or more numbers together.

Front

What does it mean to take away?

Back

To take away means to subtract a number from another.

Front

What is the result of 7 + 2?

Back

9