How to play

Count all the slices. That is the bottom number.
Count the shaded slices. That is the top number.
On level 3, give the fraction in its simplest form.

Choose Relaxed for ten questions with no clock, or Race to answer as many as you can in sixty seconds. After a wrong answer the game shows the right one and the reason. At the end it lists the questions you missed and keeps your best score for each level on this device.

Levels

Level 1: Halves to sixths
Level 2: Up to twelfths
Level 3: Simplest form

Start at the level where about eight answers in ten are right, and move up when it feels easy.

What this game practises

A fraction is a number, but children first meet it as a picture: so many parts out of so many equal parts. This game ties the written fraction firmly to that picture. Level 3 adds equivalence: four shaded slices out of eight is the same amount as one half. Seeing that with the eyes makes "divide top and bottom by the same number" a fact that is believed, not just a rule.

Tips for parents and teachers

Say fractions as "three out of eight equal parts" until the meaning is firm.
Ask which is bigger, one third or one quarter, and look at the slices.
For simplest form, ask what number divides both the top and the bottom.

Play it without a screen

Fold a paper circle or a roti into halves, quarters and eighths. Shade some parts and name the fraction. Then ask for another name for the same amount.

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