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Math topics for ages 9–10

Number sense first, then the arithmetic and the shapes, measures and data work that school actually examines. Each topic ends in a Practice Zone that builds a fresh question set every visit.

Middle-primary work: multi-step problems, real vocabulary, and the first topics where a wrong method matters more than a wrong answer.

23 topics · 138 hands-on stations · 1 free to try

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The Digit Houses

Every digit lives in a house, and the house decides how much it is worth. The same 7 can be worth seven — or seven thousand! Flip every card to walk down the street.

  1. The smallest house, on the right. A 7 here is worth just 7.
  2. One step left, ten times bigger. A 7 here is worth 70.
  3. Another step, another ×10. A 7 here is worth 700.
  4. A 7 here is worth 7,000. Notice the comma — it is a signpost, not a full stop!

This is one station of 6 in the trail, and finishing the trail earns an Explorer badge. See the whole trail →

Free printable worksheet

Ten questions from Big Numbers on one page, with an answer key at the bottom — a PDF you can print for homework, a car journey or a classroom. No account needed and nothing to sign up for.

⬇️ Download the Big Numbers worksheet (PDF)See the whole trail →

A few of the Math topics at this age

…and 18 more Math topics for ages 9–10 inside the app, each one a full trail of hands-on stations. Create a free account to explore them.

Math at other ages

Math, ages 5–6 Math, ages 7–8 Math, ages 11–12 Math, ages 13–14

Other subjects for ages 9–10

Analytical General Knowledge Science EQ English Puzzles

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Every account gets one complete learning trail in every subject, the Surprise Mix quiz and a multiplayer game.

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