Page 14 - NUMINO Challenge_D2
P. 14
Problem solving Key Points

1 What is the smallest number that should be To make a square
multiplied to make the expression below a square number, each prime
number? number found from
40 63 100 the prime
factorization should
be multiplied an
even number of
times.

2 Find the total number of square numbers that are A square number
greater than 100 but smaller than 500. greater than 100
and closest to 100
is 121 11 11.
Find a square
number that is
smaller than 500
and closest to 500.

11Number and Operations
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