options: Apply geometric concepts in modeling situations.

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

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

Reason with shapes and their attributes.

Apply trigonometry to general triangles.

Prove theorems involving similarity.

Understand and apply theorems about circles.

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

Make geometric constructions.

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

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).

Understand congruence in terms of rigid motions.

Use coordinates to prove simple geometric theorems algebraically.

Understand and apply the Pythagorean Theorem.

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

Explain volume formulas and use them to solve problems.

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

Experiment with transformations in the plane.

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

Define trigonometric ratios and solve problems involving right triangles.

Prove geometric theorems.

Understand similarity in terms of similarity transformations.

Analyze, compare, create, and compose shapes.

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

Find arc lengths and areas of sectors of circles.

Solve real-world and mathematical problems involving volume of cylinders, cones, and spheres.
problem_activity: Narrative
The purpose of this activity is for students to draw shapes. Students draw straight lines to connect the dots to create shapes. Some students may benefit from a ruler or straight edge to assist them. Students draw some shapes that they can name, such as triangles and rectangles. They also draw some shapes that they have not been introduced to the formal names of. Students can describe the attributes of these shapes but are not expected to name the shapes.
Launch
Display the first image of four big red dots from the student book.
“What do you notice? What do you wonder?” (There are black dots. There are 4 big red dots.)
30 seconds: quiet think time
30 seconds: partner discussion
Share responses.
“These dots will help us draw shapes. I need to connect the red dots using straight lines.”
Demonstrate drawing a straight line between 2 of the red dots.
“Where should I draw the next line?”
Repeat until the rectangle is drawn.
“What shape did I draw?” (A rectangle.)
Activity
“Draw straight lines to connect the dots. When you’re finished, color in the shape and tell your partner about the shape you drew.”
6 minutes: partner work time
Student Facing
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Synthesis:
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Student Response
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Activity Synthesis
Display the last image with 3 red dots.
“Tyler is connecting the dots. What shape do you think he is going to make? Why?” (A triangle. There are 3 dots so there will be 3 sides. Triangles have 3 sides.)
If needed, ask “How many corners will the shape have? How many sides will the shape have?”


correct_option_index: 23