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From Yobibyte Games:
Ninja Prime is a fun way to learn times tables. You play as the ninja whose sacred duty it is to cut all the numbers down to their prime numbers.You will be thrown one number after the next. Cut them up if they can be factored into smaller values. If they are primes, do not cut them.A prime number is a number that cannot be divided evenly by other whole numbers. One, two, three, five, seven, eleven, and thirteen are all examples of prime numbers. Fifteen is not a prime number because it can be broken down into the whole numbers three times five.Ninja Prime is a great way for children to learn times tables in a creative and engaging way.