Common Core Alignment

CCSS.Math.Content.1.G.3 - 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.

5: Math

Unit 2: Geometry
Lesson 4: Circles
Lesson 5: Dividing More Shapes
Lesson 6: Shape Play
Unit 10: Skills Review
Lesson 6: Reviewing Geometry