Curated OER
Money
Second graders show combinations for $1.00. In this dollar combinations lesson, 2nd graders use nickels, dimes, and quarters to model and count combinations equaling $1.00.
Illustrative Mathematics
Illustrative Mathematics: Folding Strips of Paper
The purpose of this task is to provide students with a concrete experience they can relate to fraction multiplication. Perhaps more importantly, the task also purposefully relates length and locations of points on a number line, a common...