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This video focuses on number sense/riddles with remainders and perfect squares. Download the activity sheet at Download the activity sheet solutions at

Video by Art of Problem Solving's Richard Rusczyk, a MATHCOUNTS alum. Visit Art of Problem Solving for many more educational resources.

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current16:31, May 16, 2016Thumbnail for version as of 16:31, May 16, 2016480 × 269 (20 KB)MathleteHauler (wall | contribs)created video