This large laminated wall chart consists of 64 squares on the left side and a set of instructions on the right. Each square has nine seemingly unrelated numbers, but on closer examination, the student will see patterns that connect the numbers in each square. The patterns range from simple multiplication that a middle school student can recognize to more sophisticated sequences that will catch the attention of high schoolers.

In the upper left corner of the grid, the squares are mostly or completely filled. As one moves toward the lower right, more and more numbers in the squares are missing. As they recognize the patterns, students can fill in the missing information.

This chart makes for an intriguing display. Most posters catch a student's attention for a moment or two, but "Ghaznavi's Squares" will draw them into actually doing mathematics.

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