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Rectangle Partitions

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Choose a level to use the original printable artwork. Optional replacement artwork uses the shared image editor. Preparing tools or sturdy cards belongs with an adult.

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Include separate answer key

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About this template

Draw rectangular boundaries so each region contains exactly one clue and its number of cells equals that clue. A solved two-cell patch introduces area. Starter uses a four-by-four grid; Growing uses five-by-five with more interacting regions. Squares count as rectangles, every cell must be covered exactly once, and both original boards have a unique partition. The separate key outlines all regions.

Suggested ages 7–11 · area deduction

Activity references

Nikoli Shikaku