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Curated OER
Rhythm, Math, Rhythm
Learners play instruments in math class to learn the interconnectedness between math and music. In this math lesson, students subdivide a piece of music, clapping rhythms and charting rhythm patterns in the song. A guided discussion...
Illustrative Mathematics
Illustrative Mathematics: 3.md the Square Counting Shortcut
This is a rectangle subdivision task; ideally instead of counting each square. students should break the letters into rectangles, multiply to find the areas, and add up the areas. Aligns with 3.MD.C: CCSS.Math.Content.3.MD.C.6 Measure...
Khan Academy
Khan Academy: Subdivision
In this 7-problem quiz/practice. students will understand how the subdivision algorithm works.