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Official Description

How quickly can you clear the square of numbers? Select the numbers which, when added together, equal the total displayed. Ten levels of difficulty make this app great brain training for the young and old alike!

Knockout Square at a glance:

- Develops repeated addition skills.
- Ten levels of difficulty.
- Different number square each time.
- Engaging graphics.
- Simple tap interface.
- Best times are saved to the device for each level.

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