2.G

Geometry

2.G.1Identify, describe, and classify two- and three-dimensional shapes (i.e., triangle, square, rectangle, cube, right rectangular prism) according to the number and shape of faces and the number of sides and/or vertices. Draw two-dimensional shapes.2.G.2Investigate and predict the result of composing and decomposing two- and three-dimensional shapes.2.G.3Partition a rectangle into rows and columns of same-size (unit) squares and count to find the total number of same-size squares.2.G.4Partition circles and rectangles into two, three, or four equal parts; describe the shares using the words halves, thirds, half of, a third of, etc.; and describe the whole as two halves, three thirds, or four fourths. Recognize that equal parts of identical wholes need not have the same shape.
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