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Earth Day Common Core 7.NS.A.2d resources
April 22 Math & Environment Puzzle: Earth Day (for Grades 7 & Up) | Mixed Review
April 22 of the Mystery Year was the first worldwide observance of Earth Day. Math clues for finding the year involve circumference of a circle, measurement conversions, expressing a ratio as a unit rate in decimal form, prime numbers, and divisibility. Math connections are made to our environment. Your Zip download includes printable/digital PDFs:1-page printable Student Puzzle, also prepped for Easel1-page Answer Key with sample solutions1-page version of puzzle with expanding form fields – us
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Grades:
7th - 9th
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