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Let’s classify numbers by properties.

Material: Prime and square number stickers

1 Prepare prime and square number stickers.

1 2 3 4 5 7 9 11 13 15
16 17 18 19 21 23 25 27 29 31
33 35 36 37 41 43 47 49 51 53
57 59 61 64 65 67 70 71 73 75
77 79 81 83 87 89 90 91 97 100

2 Classify the numbers as prime numbers, square numbers, and neither
prime nor square numbers. Put the appropriate stickers in the box.

Prime numbers

Square numbers

Neither prime nor square numbers

4. Prime number · Square number 43
   41   42   43   44   45   46   47   48   49   50   51