Identifying, Composing, and Partitioning Shapes
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# Identifying, Composing, and Partitioning Shapes

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Subject
Resource Type Lesson Plan
Standards Alignment
Common Core State Standards

Aligned with 1.G.1, 1.G.2, 1.G.3, K.G.2, K.G.3, K.G.4, K.G.6, MP.1, MP.6, MP.8

## Resources

Files

G1-M5-A-Lesson_1.docx

Lesson Plan
February 13, 2020
1.96 MB

G1-M5-A-Lesson_2.docx

Lesson Plan
February 13, 2020
1.07 MB

G1-M5-A-Lesson_3.docx

Lesson Plan
February 13, 2020
1.62 MB

G1-M5-A-Topic_Overview.docx

Lesson Plan
February 13, 2020
386.13 KB
External resources

### Standards

Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes.
Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape.
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.
Correctly name shapes regardless of their orientations or overall size.
Identify shapes as two-dimensional (lying in a plane, “flat”) or three-dimensional (“solid”).
Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (e.g., number of sides and vertices/“corners”) and other attributes (e.g., having sides of equal length).
Compose simple shapes to form larger shapes.

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