Setting up the board…
Take your time — nothing here can go wrong, and you can always try again.
Ready?
Expression Builder
Take your time — nothing here can go wrong, and you can always try again.
Full screen — no distractions
Frequently Asked Questions
- What is "Expression Builder" and how do you play it?
- Expression Builder is a free, interactive mathematics game designed for 6th Grade students. Wire word phrases to the algebraic expressions they describe. It supports 1-2 player(s), takes about 15 min, and is rated hard difficulty.
- Is this game free to play?
- Yes — Expression Builder is 100% free with no signup required. Just open the page and start playing instantly in your browser on any device.
- What age or grade level is this game for?
- This game is designed for 6th Grade students. The mathematics content is curriculum-aligned for 6th grade level, making it a great supplement to classroom learning.
- Can my child play this game on a tablet or phone?
- Yes. All LittleActivity games work on any device — desktop, tablet, or phone. No app download needed; games run directly in the browser.
- What mathematics skills does this game cover?
- Expression Builder covers 6th grade mathematics skills through interactive gameplay. It builds problem-solving, critical thinking, and subject fluency in a fun, no-pressure environment.
More 6th Grade Mathematics Games
Equivalent Expressions
Sort expressions: equivalent to 2(x + 3), or not?
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Absolute Value
Hop to absolute values and opposites on a number line from −10 to 10.
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Mean, Median, Mode and Range
Find the centre and spread of data sets and hop to the answer.
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One-Step Equations
Wire each equation to its solution.
hard15 min
Two-Step Equations
Put the steps for solving and checking two-step equations in order.
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Balancing Equations
Keep both sides of the scale equal — the idea behind every equation.
hard15 min