CCSSM Curriculum Analysis Tool 1—Geometry for Grades K-2 CCSSM Grade K CCSSM Grade 1 CCSSM Grade 2 Analyze, compare, create, and Cont Bal Reason with shapes and Cont Bal Reason with shapes and their Cont Bal Pages N-L-M- N-L-M- Pages N-L-M- N-L-M- Pages N-L-M- N-L-M- compose shapes attributes attributes A-H A-H A-H A-H A-H A-H 4. Analyze and compare 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). 5. Model shapes in the world by building shapes from components (sticks and clay balls) and drawing shapes. 6. Compose simple shapes to form 2. Compose two-dimensional 2. Partition a rectangle into rows larger shapes. shapes (rectangles, squares, and columns of the same-size For example, “Can trapezoids, triangles, half-circles, squares and count to find the total you join these two triangles with and quarter-circles) or number of them. full sides touching to make a shapes (cubes, right rectangle?” rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape. 3. Partition circles and rectangles 3. Partition circles and rectangles into two and four equal shares, into two, three, or four equal describe the shares using the words shares, describe the shares using and and the words halves, fourths, quarters, halves, thirds, half of, a use the phrases etc., and describe the half of, fourth of, third of, and Describe the whole whole as two halves, three thirds, quarter of. as two of or four of the shares. four fourths. Recognize that equal Understand that for these examples shares of identical wholes need not that decomposing into more equal have the same shape. shares creates smaller shares. CCSSM Curriculum Analysis Tool 1—Geometry for Grades K-2
CCSSM Curriculum Analysis Tool 1—Geometry for Grades K-2 CCSSM Grade K CCSSM Grade 1 CCSSM Grade 2 Analyze, compare, create, and compose shapes Cont N-L-M- A-H Bal N-L-M- A-H Reason with shapes and attributes Cont N-L-M- A-H Bal N-L-M- A-H Reason with shapes and their attributes Cont N-L-M- A-H Bal N-L-M- A-H 4. Analyze and compare 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). 5. Model shapes in the world by building shapes from components (sticks and clay balls) and drawing shapes. 6. Compose simple shapes to form larger shapes. For example, “Can you join these two triangles with full sides touching to make a rectangle?” 2. Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or 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. 2. Partition a rectangle into rows and columns of the same-size squares and count to find the total number of them. 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 that for these examples that decomposing into more equal shares creates smaller shares. 3. Partition circles and rectangles into two, three, or four equal shares, 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. Recognize that equal shares of identical wholes need not have the same shape. CCSSM Curriculum Analysis Tool 1—Geometry for Grades K-2 Pages Pages Pages
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