Sum of Numbers from 1 to 20

Sum of Numbers from 1 to 20

Compete in this online math game with two ships that measure their strength. To win, you have to correctly answer the sums of numbers from 1 to 20. Continuously add up exactly to 20, and make your boat win the math addition competition. For boys and girls in the 1st, 2nd and 3rd year of primary school (approximately 6-8 years old).

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Sum of Numbers from 1 to 20

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