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Curated OER
Value Your Digits
Third graders work with place value. In this place value instructional activity, 3rd graders write three digit numbers and tell the place value of each number. They compare numbers and money, regroup, discuss the value of coins, and...
Curated OER
Re-Presenting Race in the Digital Age
Teen-aged scientists analyze a graphic organizer of how trash is removed from New York City and then answer standard questions about a graph and a diagram. Resources are mentioned, but there are no links to these resources, so you will...
Illustrative Mathematics
How Many Colored Pencils?
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing...