Math Playground Logo Math Playground Header Flashcards Addition and Subtraction  
Addition and Subtrction Facts to 20
You have exactly 60 seconds to answer as many addition and subtraction problems as possible.

To start the game, click on the first problem. Type your answer in the space then hit the return button. A new math problem will appear on your screen.

You will need to have Java
installed on your computer to view these flash cards

Good Luck!

More Flashcards
Addition Facts to 20
Subtraction Facts to 20

Addition Practice to 100
Subtraction Practice to 100

Mixed +/- Practice to 100
Multiplication Facts (x 10)
Various Untimed Flashcards
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