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

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

Prove geometric theorems.

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

Use coordinates to prove simple geometric theorems algebraically.

Understand and apply the Pythagorean Theorem.

Reason with shapes and their attributes.

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

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

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

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

Understand and apply theorems about circles.

Explain volume formulas and use them to solve problems.

Find arc lengths and areas of sectors of circles.

Make geometric constructions.

Understand similarity in terms of similarity transformations.

Translate between the geometric description and the equation for a conic section.

Prove theorems involving similarity.

Experiment with transformations in the plane.

Understand congruence in terms of rigid motions.

Apply geometric concepts in modeling situations.

Analyze, compare, create, and compose shapes.

Define trigonometric ratios and solve problems involving right triangles.

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

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

Apply trigonometry to general triangles.

Visualize relationships between two-dimensional and three-dimensional objects.
problem_activity: Stage 3: Grade 2 Shapes
Required Preparation
Materials to Copy
Blackline Masters
Shape Cards Grade 2

Narrative
Students lay out the shape cards face up in rows. One partner chooses a shape. The other partner asks questions to figure out what shape they chose. Students work with triangles, quadrilaterals, and hexagons.


correct_option_index: 6