Fraction Builder

Choose a mode

Tap slices to fill them, then press Check

3D math game · Best for grades 3-4

Fraction Builder

Fill parts of the pie to match the fraction

Students shade slices of a whole and see how numerator and denominator define the requested part.

What students practice

The game builds understanding of Fractions. Tap slices to fill them, then press Check

fractions as parts of a whole, comparison, and placement on a number line.

How to use it at home or in class

The visual model makes numerator, denominator, and equivalent fractions concrete.

A symbol such as 3/4 becomes a quantity students can reason about.

Use it for individual practice, paired work, or a short class demonstration before worksheets.

Start with the game above, then continue with written practice to reinforce the skill.

Common questions

Who is this game for?
This game is designed for grades 3-4 students who want to practice Fractions interactively.
Is the game free?
Yes. Students can play and practice on the site without signing up.
What is the best way to practice?
Start with Practice mode, solve a few rounds slowly, then switch to a short Quiz for self-checking.