Math Help - Arithmetic Subtraction - Game Tips:

- This game provides subtraction practice using numbers from 0 to 20.

- Subtraction is based on previous addition knowledge.
- For example, 15-3=12 because 12+3=15 in the first place.

- Your Score Report appears after you have made 8 choices.
- Your Game Score is reduced by the number of gull hits.

- To slow the game speed repeat tap/click on the word Slider.
- To increase the game speed repeat tap/click on the word Math.
- Speed can also be adjusted with a keyboard's - and + keys.

- Refresh/Reload the web page to restart the game.
- Adjust the sound level of media on your device.



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