Solving these math puzzle minis is so much fun, kids may not notice they're building important problem-solving skills. Each mini-book contains magic number puzz

The noted expert selects 70 of his favorite "short" puzzles, including such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Top

"A Colombian mathematician assembled these eighty brainteasers, forming a stimulating collection of word problems, puzzles involving chess pieces, sudoku-style

This fanciful, original collection for readers of all ages features arithmetic puzzles, logic problems related to crime detection, and logic and arithmetic puzz

Beast Academy Puzzles 2 contains over 400 puzzles in 12 different styles. Every puzzle style is part of the broader Beast Academy level 2 math curriculum. Wheth