Geometry
1.G.A.3
1st Grade · Common Core Standards
Standard
Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.
Study materials
Study guide, practice problems, review, and practice test for this standard.
© Common Core State Standards Initiative. Used under CC BY 4.0. See thecorestandards.org for the official standards.