Kobadoo Arithmetic
Add or subtract numbers of up to two digits, then click the correct result. Kobadoo Arithmetic has 31 levels, each one a little tougher than the last.
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About Kobadoo Arithmetic
Add or subtract numbers of up to two digits, then click the correct result. Kobadoo Arithmetic has 31 levels, each one a little tougher than the last.
How to play
Add or subtract the numbers of up to two digits that each round shows, and pick the correct result, over 31 levels that grow steadily tougher.
- Mouse: on desktop, click the right answer
- Touch screen: on mobile, select the right answer