Frequency All Fives: 101 Math Puzzles to Train Your Brain Linked PDF
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$5.99
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 5x5 puzzle grids plus a BONUS 6x6 puzzle, ranging in difficulty from Learner to Teacher. Each handmade puzzle has one unique solution that can be solved from only the given clues. For intermediate and confident puzzlers, Frequency: All Fives has just the right amount of difficulty to be both challenging and fun.