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Puzzles
Math you can play with. Puzzles build strategy, patience and thinking outside the box.
5 topics
- 01Tower of HanoiThree pegs, a stack of disks, and a doubling rule underneath — the minimum number of moves is 2ⁿ−1.Lesson 1 of 5
- 02Magic SquareFit 1 to 9 into a 3×3 grid so every row, column and diagonal sums to 15 — there is really only one answer.Lesson 2 of 5
- 03Logic PuzzlesEvery label on three boxes is wrong — and one single fruit is enough to crack the whole case. Logic puzzles train deduction and elimination.Lesson 3 of 5
- 04Measuring PuzzlesA 5-liter jug, a 3-liter jug — how do you measure exactly 4 liters of water? Stop guessing and start recording.Lesson 4 of 5
- 05Sudoku IntroductionRows, columns and boxes each hold 1–9 once — a quiet detective game of pure logic.Lesson 5 of 5