Color Sudoku

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The popular sudoku puzzles use numbers, but the game could played with any set of 9 different objects! In this activity (on pages 56-75 of PDF), learners use objects of different colors (marbles, paper squares, candies) to solve sudoku puzzles. Learners use logic to determine where all the colored objects go, given the different colors already present on the puzzles. The activity includes suggestions for how to approach the game, 10 puzzles of varying size and difficulty, and links to websites with many more puzzles.

Quick Guide

Preparation Time:
10 to 30 minutes

Learning Time:
45 to 60 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 8 - 14

Resource Types:
Activity, Game


Materials List (per student)

  • Colored game pieces—M&M’s or Skittles candy works well for 4x4 and 6x6 puzzles if you are willing to give students candy. Otherwise, colored stones, buttons, or squares of colored cardstock work fine. You will need the following colors: red, orange, yellow, green, light blue, dark blue, brown, pink, and purple. Each student will need 18 pieces of each color
  • Materials to photocopy: Sudoku puzzle sheets
  • Colored markers (optional)


  • Mathematics
    • Algebra
      • Patterns
  • The Nature of Technology
    • The Design Process
      • Problem Solving

Informal Categories

  • Games


To use this activity, learners need to:

  • see
  • see color
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


Access Rights:

  • Free access