Grade 1 Common Core State Standardsfor Geomery (PreFractions)


CCSS Geometry: Reasoning with shapes and their attributes
1.G.A.3 Partition circles and rectangles into two and four equal shares.
1.G.A.3 Describe the shares using the words halves, and fourths, and quarters, and use the phrase half of, fourth of, and quarter of. Describe the whole as two of or four of the shares.
1.G.A.3 Understand for these examples that decomposing into more equal shares creates smaller shares.
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Grade 2 Common Core State Standardsfor Geometry PreFractions


CCSS Geometry: Reason with shapes and their attributes
2.G.A.3 Partition circles and rectangles into two, three, or four equal shares.
2.G.A.3 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.
2.G.A.3 Recognize that equal shares of identical wholes need not have the same shape.
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