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Shelter Tracking Board: Design Checks

Students construct shapes for a shelter tracking board and analyze whether given conditions determine one, many, or no triangles.

Grade 7MathInteractive · Printable

Aligned to7.G.A.2

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
14 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 7
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Sorting, Short answer, Drawing

About this worksheet

What students practice

Students construct a triangle and a quadrilateral from given side and angle conditions.
Students determine whether given measurements allow one, many, or no triangles.
Students explain why reflected constructions can represent the same triangle size and shape.

How to use

Provide a ruler, compass, and protractor. Have students complete the construction tasks on paper and compare their results with the conditions.

Curriculum

Common Core standard covered

7.G.A.2

Draw shapes from given conditions, especially triangles from three angles or sides, and tell if there is one, many, or no triangle.

Preview

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Name Date

Shelter Tracking Board: Design Checks

Construct shapes and decide which conditions fix their size and shape.

Adoption Markers

The shelter is designing a board to track adoptions and supplies. Use only the stated conditions. Count triangles with the same size and shape as one triangle, even if they are turned or flipped.

The board needs triangular adoption markers. Which plan cannot be constructed?

Marker Angle Plans
Plan	Interior angles
Arrival	29°, 71°, 80°
Meeting	56°, 56°, 68°
Adopted	32°, 78°, 80°
Follow-up	24°, 66°, 90°

A. The Adopted plan cannot be constructed.
B. The Arrival plan cannot be constructed.
C. The Meeting plan cannot be constructed.
D. The Follow-up plan cannot be constructed.

A triangular marker has two equal interior angles. Its third interior angle measures 40°.

What is the measure of each equal angle? °

Imani draws a horizontal base for a marker. Above the base, she draws a 105° interior angle at the left endpoint and a 75° interior angle at the right endpoint. What happens to the two rays?