Classroom Exercises Magic Squares [PDF] [University of Illinois, Urbana-Champaign]
A “magic square” is a square divided into multiple additional squares or blocks, each block containing one number. It is said to be “magic” when the numbers in a line or row of blocks add up to the same number horizontally, vertically and diagonally. This introductory guide to “magic squares” includes some puzzles for students to solve.
Anything But Square: From Magic Squares to Sudoku [+Plus Magazine]
For upper-elementary students, a more in-depth explanation of the mathematical principles behind the “magic square” and related number puzzles.
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