Prime Numbers Jigsaw

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Drag the jigsaw pieces onto the frame so that the numbers are in order from smallest to largest. The composite numbers are hidden.

Correct

Description of Levels

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Level 1 - 6 by 5 grid of prime numbers starting at 1

Level 2 - 6 by 6 grid of prime numbers starting at a number between 3 and 9

Level 3 - 7 by 7 grid of prime numbers starting at a number between 33 and 49

Level 4 - 8 by 7 grid of prime numbers starting at a number between 70 and 88

Level 5 - 6 by 5 grid of numbers (composites hidden) starting at 1

Level 6 - 6 by 6 grid of numbers (composites hidden) starting at a number between 3 and 9

Level 7 - 7 by 7 grid of numbers (composites hidden) starting at a number between 33 and 49

Level 8 - 8 by 7 grid of numbers (composites hidden) starting at a number between 70 and 88

Level 9 - 8 by 8 grid of numbers (composites hidden) starting at a number between 450 and 470

Level 10 - 8 by 8 grid of numbers (composites hidden) starting at a number between 599 and 900

Note that the higher levels are quite a challenge because they include a range of numbers in which the prime numbers are more spaced out. You will get jigsaw pieces that contain only hidden composite numbers but you still have to correctly guess the intended positions of these pieces. It is not sufficient to fit all the pieces on the rectangle with no gaps; all the pieces need to be in the position I designed for them!

Roman Numerals Jigsaw - If you enjoyed this jigsaw there are others you can try.

Chinese Numbers Jigsaw

Thai Numbers Jigsaw

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Note that the higher levels are quite a challenge because they include a range of numbers in which the prime numbers are more spaced out. You will get jigsaw pieces that contain only hidden composite numbers but you still have to correctly guess the intended positions of these pieces. It is not sufficient to fit all the pieces on the rectangle with no gaps; all the pieces need to be in the position I designed for them!

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

Log in Sign up

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