Geometry Expectation

Activity

1. Uses appropriate geometric vocabulary to describe properties and attributes of two- and three-dimensional figures (for example, obtuse and acute angles, radius, equilateral, scalene, and isosceles triangles.).

Lesson from Architecture

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2. Draws and classifies two-dimensional figures having ten or more sides and three-dimensional figures (cubes, rectangular prisms, pyramids).

Slide and Roll

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3. Knows the characteristics of and relationships among points, lines, line segments, rays, and planes.

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4. Uses manipulatives to solve problems requiring spatial visualization.

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5. Knows symmetry, congruency, and reflections in geometric figures.

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6. Knows how to justify that two figures are similar or congruent.

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7. Knows the effect of a flip, slide or turn (90 degrees, 180 degrees, 270 degrees) on a geometric figure.

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8. Explores tessellations.

Quilt Block Tesselations

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9. Compares the concepts of area, perimeter, and volume using concrete materials (for example, geoboards, grid paper) and real-world situations (for example, tiling a floor, bordering a room, packing a box).

Circle Perimeter

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10. Applies the concepts of area, perimeter, and volume to solve real-world and mathematical problems using student-developed formulas.

Paper Cylinders

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11. Knows how area and perimeter are affected when geometric figures are combined, rearranged, enlarged, or reduced (for example, What happens to the area of a square when the sides are doubled?).

Enlarging Shapes

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12. Identifies, locates, and plots ordered pairs of whole numbers on a graph or on the first quadrant of a coordinate system.

Battleship Plotting

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