Find the Average
Free averages game: compute the mean of small number sets mentally. Data-skills practice for grades 4–6. Plays in your browser, no sign-up.
Grade 4–6 · Free · No sign-up
How to play & why it works
Each round shows a small set of numbers and asks for their average. Sets are chosen so the mean is a whole number — the point is the concept and the mental arithmetic, not long division.
The mean is the first real statistic children compute, and the first place arithmetic meets interpretation: an average is a fair-share number, what everyone would get if the total were split evenly. That framing carries all the way to data science.
Two mental routes to practice: add-and-divide (the definition), and the balance method — guess a central value and see whether the numbers above it outweigh the ones below. For 12, 15, 18 the middle number simply is the answer; spotting that shortcut is the skill.
The free MathIt app continues into median and mode, chart reading and data questions, alongside the full arithmetic curriculum with adaptive difficulty.
Averaging is two skills wearing one name: add the set, then divide by how many there are. Errors split almost evenly between the two — a slip in the addition, or dividing by the wrong count. Saying the count out loud before dividing removes most of the second kind.
The concept worth carrying is fair share. The mean is what everyone would have if the total were redistributed equally, which is why it can land between the values in the set and why one very large number drags it upward. Children who hold that picture can sanity-check an answer; children who only know the procedure cannot.
Skills you'll practice
Keep practicing
Frequently asked questions
What is the difference between mean, median and mode?
The mean is the total shared out equally. The median is the middle value once the numbers are in order. The mode is the value that appears most often. This drill practises the mean.
What grade do students learn averages?
Usually fourth to sixth grade, once division is secure. It is often the first statistics topic children meet.
Do the answers always come out as whole numbers?
In this drill, yes — sets are chosen so the mean divides exactly. That keeps attention on the concept and the mental arithmetic rather than on decimal division.
Get the full game
Adaptive difficulty, daily streaks, and live 2–5 player math battles — free on iOS and Android.