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Why Didn't I Think of That? - Math Puzzles developed by gifted students
$12.00

Why Didn't I Think of That? - Math Puzzles developed by gifted students

30 mind-teasing, imaginative and complex math puzzles Puzzles developed by top students & Gifted and Talented Education (GATE) students age...

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$12.00
Why Didn't I Think of That? Volume A
$3.99

Why Didn't I Think of That? Volume A

Puzzles developed by top students & Gifted and Talented Education (GATE) students aged 4-12 Questions featured in major Mathematics competiti...

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$3.99
Why Didn't I Think of That? Volume B
$3.99

Why Didn't I Think of That? Volume B

Puzzles developed by top students & Gifted and Talented Education (GATE) students aged 4-12 Questions featured in major Mathematics competiti...

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$3.99