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Lesson Plan: Grouping and Regrouping Sets - Pre-Kindergarten - Grade PK
Summary:In this lesson, children count sets of objects, then create new sets by regrouping the objects differently. Children discover that this can be accomplished in a variety of ways. For example, 7 cubes can be represented by 5 red cubes and 2 yellow cubes, or 4 blue cubes and 3 green cubes. The element of discovery at this age is very powerful.
Ohio Standards Connection
Content Area:
Standard: Number, Number Sense and Operations
Benchmark: G. Model, represent and explain addition as combining sets and counting on.
Indicator: 7. Group and regroup a given set in the context of daily activities and play (e.g., 5 blocks can be 2 blue and 3 green or 1 blue and 4 green).
Related Ohio Standards Connection
Content Area:
Standard: Mathematical Processes
Benchmark: A. Use a variety of strategies to understand problem situations; e.g., discussing with peers, stating problems in own words, modeling problems with diagrams or physical materials, identifying a pattern.

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