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Players take turns shading a selected fraction to make a whole shape in this “Complete Me” fraction game idea




3, 4, 5, 6, 7  

Title – ‘Complete Me’ Fractions Game
By – David Brown
Primary Subject – Math
Grade Level – 3-7

Learning outcomes:

  • Understanding of how fractions can fit together to make a whole
  • Understanding of the difference in size of fractions

Required Material:

  • White board
  • White board marker

Aim of the game:

  • Fill in the whole shape by shading a specified fraction of it.
  • The winner is person who shades the final segment and creates a whole.

How to Play:

  1. This game can either be played in pairs with each person playing against each other or as the teacher verses the class.
  2. Start by drawing a whole circle, square or shape of your choice on the white board.
  3. Select three or more fractions that each player can choose from (which fractions you choose will determine how difficult the game will be)
  4. Each player takes turns choosing which fraction of the whole shape to fill.
  5. The player who fills in the last piece to complete the whole is the winner. If the player has no choice but to fill in more than a whole, then that player loses (such as when there is only an eighth left, but the player can only choose from a half, a quarter or a sixth).


  • I would suggest easing into this game with simple fractions first (1/2 and 1/4).
  • You also might want to start with fractions that fit in with each other (1/3, 1/6, 1/2) to make a whole.
  • As the students get better at understanding fractions, you can give more difficult combinations.

E-Mail David Brown !

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