Hard prime number maze puzzles

A large maze of numbers up to 100 where students must test many look-alike numbers to find the only route of primes.

What is on this worksheet

A large maze of numbers up to 100 where students must test many look-alike numbers to find the only route of primes.

  • Numbers up to: 100
  • Maze size: Large

You can change any of these settings above. Press "New problems" for a fresh set with the same settings, or pick Version A to Z to print different sheets for neighboring desks. The answer key always matches.

About prime number mazes

Students find the path from START to END by stepping only on prime numbers. Every other square holds a composite number or 1, including look-alikes such as 51, 57 and 91, so each square needs a real check.

Every maze has exactly one route. Choose primes up to 30, 50 or 100 and the size of the maze. The answer key shades the route.

Printing

US Letter or A4, portrait: choose your paper size above. Print at 100 percent (actual size). Use "Black and white" for the copier, or "Color" for display pages and mini books.

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