Reason with Shapes and Their Attributes

recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces (sizes are compared directly or visually, not compared by measuring) and identify triangles, quadrilaterals, pentagons, hexagons and cubes.

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., describe the whole as two halves, three thirds, four fourths and recognize that equal shares of identical wholes need not have the same shape.

partition a rectangle into rows and columns of same-size squares and count to find the total number of them.

Describe measurable attributes of objects, such as length or weight and describe several measurable attributes of a single object.

describe measurable attributes of objects, such as length or weight and describe several measurable attributes of a single object.

Reason with shapes and their attributes.

Reason with shapes and their attributes.

Reason with shapes and their attributes.

Reason with shapes and their attributes.