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Number Bonds on Bubbles - all numbers to 20

A maths facts tester for number facts to 20.

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Click on the button which combines with the number at the top to make the target number (at the top - lower number). Do you know your addition and subtraction facts for all your numbers to 20?

The blue square can also be clicked, to reveal helpful number sentences at the top of the bubbles. The alarm clock will start a 1 minute timed game.


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