1.GSR.4.2: Compose two-dimensional shapes (rectangles, squares, triangles…
Compose two-dimensional shapes (rectangles, squares, triangles, half-circles, and quarter-circles) and three-dimensional figures (cubes, rectangular prisms, cones, and cylinders) to create a shape formed of two or more common shapes and compose new shapes from the composite shape.
The Georgia's K–12 Mathematics Standards (2023–24) outcome 1.GSR.4.2 for Grade 1 says: “Compose two-dimensional shapes (rectangles, squares, triangles, half-circles, and quarter-circles) and three-dimensional figures (cubes, rectangular prisms, cones, and cylinders) to create a shape formed of two or more common shapes and compose new shapes from the composite shape.” These printable Fieldbook pages practise it, each with a full answer key. Official wording: Georgia's K–12 Mathematics Standards (2023–24).
Printable practice for 1.GSR.4.2
- Grade 3 Common Core Math: Geometry and Measurement printable pack
1 practice page, 1 assessment, with answer keys. Free sample.
Compared with Common Core: 1.G.A.2.
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