Learn a little by doing a little
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Move beyond an answer. Explore visual reasoning puzzles and interactive challenges across all 6 subjects, with instant rule-based verification and step-by-step explanations.
Original visual challenges
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Learning stage
Your next discovery
What belongs in each mystery box?
Every mystery box holds the same value. Make the two sides balance.
Equal values make a level balance.
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Turn a little understanding into a fresh page of practice.
Streaks count different challenges solved consecutively in this session and reset after an incorrect check. Repeating a solved question adds no points. Original rule-based practice. Age bands are guidance, not an assessment or curriculum certification.
Subject challenges
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Learning stage
Our worldAges 7-9Earth & weather
Question 1 of 4Rainfall totals (mm)
A school rain gauge records 22 mm on Monday, 22 mm on Tuesday, and 30 mm on Wednesday. What is the total rainfall over the three days?
Sum daily rain gauge readings in millimetres (mm) to find total multi-day precipitation.
0 of 4 solved in this round
Our world category