# About iSolveIt: MathSquared

MathSquared is based on KenKen™ puzzles. These puzzles are often used in paper-and-pencil versions as supplementary math activities in middle and high school. MathSquared puzzles are grid-based puzzles that use the basic math operations of addition, subtraction, multiplication, and division and require logic and problem-solving skills. The grids have an equal number of rows and columns (e.g., 3 x 3, 4 x 4), and the goal of each puzzle is to fill a grid with numbers (e.g., 1 through 3 for a 3 x 3 grid) so that no number appears more than once in any row or column. Grids in MathSquared range in size from 3 x 3 to 7 x 7. The grids are divided into heavily outlined groups of cells called “cages.” The numbers in the cells of each cage must produce a certain “target” number when combined using a specified mathematical operation (either addition, subtraction, multiplication or division).

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