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Frequency All Sixes: 101 Math Puzzles to Train Your Brain
Paperback
$9.99
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Sharpen your brain with NEW number logic puzzles! Your addition and pattern-recognition skills will be put to the test as you work through 100 6x6 puzzle grids plus a BONUS 7x7 puzzle, ranging in difficulty from Learner to Teacher. Each handmade puzzle has one unique solution that can be solved from only the given clues. Are you up for the Frequency Challenge?
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