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Achi: A Strange Game of Tic Tac Toe

Source Institutions

    Children's Museum Of Houston

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Achi: A Strange Game of Tic Tac Toe

In this game, learners strategize to be the first player to make three in a row. This game is similar to the classic Tic-Tac-Toe game, but learners slide game pieces along lines, instead of filling in boxes with X's or O's. Learners will practice mathematical thinking skills like strategizing, predicting and problem solving. This activity guide contains sample questions to ask, literary connections, extensions, and alignment to local and national standards.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
1 cent - $1 per group of students

Age Range:
Ages 8 - 11

Resource Types:
Activity, Game, Lesson/Lesson Plan


Materials List (per group of students)


  • Mathematics
    • Algebra
    • Data Analysis and Probability
      • Data Analysis
      • Probability
    • Problem Solving

Informal Categories

  • Games


To use this activity, learners need to:

  • see
  • see color
  • touch

Learning styles supported:

  • Involves teamwork and communication skills
  • Involves hands-on or lab activities


Includes alignment to state and/or national standards

This resource is part of:

Access Rights:

  • Free access



  • All Rights Reserved, Children's Museum of Houston,

Funding Source:

  • ExxonMobil