Quadsum - Layouts

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The downloadable Quadsum package includes 50 puzzles:

22 3x2 puzzles, with difficulty levels 1 through 3
22 3x3 puzzles, with difficulty levels 1 through 4
6 advanced puzzles, using larger layouts, with difficulty levels 1 through 4

The puzzles cover four levels of difficulty. Many of the puzzles have multiple correct solutions.

Our basic layouts are 3 (rows) x 2 (columns) and 3x3:

A Quadsum puzzle can contain up to 21 sums (the numbers from 10 to 30), so there are many different sizes and layouts possible. The design of a particular layout is a factor in controlling the level of difficulty and the number of solutions. Here are some of our advanced layouts:

We are developing additional puzzle sets using standard and advanced layouts, as well as introductory puzzle sets for math beginners using 1-, 2-, and 4-sum layouts:

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