Math Crossword Puzzles: Four Operations

Book details

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

Now the sums multiply, divide — and still all cross. Interlocking math crossword puzzles with all four operations: the answer of one sum sits inside another, so every white square must work both ways. Every division comes out even — a divisor of 2 or more and an answer of 2 or more, always. And when you know the answer and one number, you work backwards: division undoes multiplication, and that is pre-algebra thinking in disguise. • 115+ interlocking crosswords, up to full-page grand grids • Times tables, division, and mixed-operation sums • The backward move with × and ÷, taught on the section pages • Shared squares teach check-it-both-ways thinking • Full solutions, 100% screen-free Book 2 of the Math Crossword for Kids series — an arithmetic crossword workbook that grows with your mathematician.

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