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Free problem solving Common Core 7.G.B.4 resources

Preview of Dec. 3 Math & Music Puzzle: Launch of the 7-Inch 45 RPM Record | Mixed Review

Dec. 3 Math & Music Puzzle: Launch of the 7-Inch 45 RPM Record | Mixed Review

This warm-up puzzle for middle school has math clues involving unit rate, probability, area of the remaining portion of a circle when an inner concentric circle is removed, greatest common factor, and least common multiple. The context is finding the Mystery Year that 7-in. 45 RPM records were announced. Your PDF download includes:2-page digital version with horizontal layout, prepped for Easel 1-page printable version5 pages of Teacher Notes including step-by-step Solutions, Extensions (includi
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