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An adventure trail
9 stations and 58 skills of number and calculation, from bonds to ten and times tables to fractions, decimals and simple equations, following the Hong Kong primary curriculum. Each skill is a monster fight: win it and the trail moves on.
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Maths olympiad
35 topics in seven groups, from chickens and rabbits to the pigeonhole principle. Each topic climbs from Easy to Expert, and the questions are generated fresh, so they never run out.
See all 35 topics → - 🧩
Brain Lab: IQ and reasoning
16 kinds of puzzle: picture patterns, grid reasoning, analogies, odd one out, mirror images, turning shapes, hidden shapes, fold and punch, cube counting, three views and cube nets, plus logic puzzles and brain teasers.
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Mental maths
Every answer is timed, so speed grows with accuracy. The tricks are taught too: ×11, ×25, squares and numbers near 100. Finished the trail? The Mental maths master challenge goes beyond P6.
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Hints and step-by-step solutions
Stuck? Hints come one at a time, gentlest first. Worked solutions go step by step, with pictures, and often name the common mistake too.
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Strategy games
Twelve number and logic games, including Make 24, KenKen, Dots and Boxes and 2048. Easy to learn, hard to put down, at any age.