Cross Math Puzzles: Mixed Operations

書籍詳情

Cross Math Puzzles: Mixed Operations, by Elyas Oulma. Printed puzzle book in English. Read the edition details and check availability on Amazon.

All four operations, one clever grid! Each puzzle mixes addition, subtraction, multiplication and division in a single cross-number grid: place the digits 1 to 9, each one exactly once, so every row (left to right) and column (top to bottom) meets its target. Read strictly left to right — a great workout for flexible, confident mental math. • 220+ cross-number grids across three step-up levels • Worked example and a clear left-to-right rule • Full step-by-step solutions at the back • Large-print easy section, with room to pencil and erase • 100% screen-free — just a pencil Part of the Cross Math for Kids series — a friendly path to mental-math confidence.

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