options: Analyze, compare, create, and compose shapes.

Understand and apply the Pythagorean Theorem.

Reason with shapes and their attributes.

Understand congruence and similarity using physical models, transparencies, or geometry software.

Prove geometric theorems.

Explain volume formulas and use them to solve problems.

Make geometric constructions.

Define trigonometric ratios and solve problems involving right triangles.

Solve real-world and mathematical problems involving area, surface area, and volume.

Identify and describe shapes (squares, circles, triangles, rectangles, hexagons, cubes, cones, cylinders, and spheres).

Experiment with transformations in the plane.

Visualize relationships between two-dimensional and three-dimensional objects.

Solve real-life and mathematical problems involving angle measure, area, surface area, and volume.

Apply geometric concepts in modeling situations.

Find arc lengths and areas of sectors of circles.

Solve real-world and mathematical problems involving volume of cylinders, cones, and spheres.

Draw and identify lines and angles, and classify shapes by properties of their lines and angles.

Classify two-dimensional figures into categories based on their properties.

Prove theorems involving similarity.

Understand congruence in terms of rigid motions.

Understand and apply theorems about circles.

Draw, construct, and describe geometrical figures and describe the relationships between them.

Understand similarity in terms of similarity transformations.

Use coordinates to prove simple geometric theorems algebraically.

Apply trigonometry to general triangles.

Graph points on the coordinate plane to solve real-world and mathematical problems.

Translate between the geometric description and the equation for a conic section.
problem_activity: Stage 3: Find Shapes
Required Preparation
Materials to Gather
Picture books
Materials to Copy
Blackline Masters
Picture Books Stage 3 Recording Sheet

Narrative
Students look through picture books and notice and describe shapes they see in the pictures.
Variation:
Students may record the shapes they see with drawings or words.
Additional Information
Each group of 2–4 needs at least one picture book that shows a variety of shapes throughout the book.


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