This is a second grade Math Unit, Lesson 12 out of 15. Reasoning with Shapes and their Attributes - Fractions of Shapes Day 1. The partitioning of squares into halves and fourths, as well as the idea that equal shares of the same whole need not be the same shape, are the central tenets of standard 2.G.3. Aligned to Common Core State Standards: 2.G.3 , MP.2 , MP.3
Reasoning with Shapes & their Attributes Lesson 12
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Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.
Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.