Perimeter
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Objective
I can measure the sides of Earth Day-themed shapes and add them to find the perimeter.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
Explain what perimeter is in your own words.
A square flower bed has sides that are each 5 feet long. What is the perimeter of the flower bed?
Part 3 of 3
Exit ticket
Quick comprehension check
“A rectangular Earth Day banner has sides measuring 3 feet and 5 feet. What is the perimeter of the banner? A triangular recycling symbol has sides measuring 4 cm, 4 cm, and 4 cm. What is the perimeter of the recycling symbol? A square garden bed for planting trees has sides that are each 6 meters long. What is the perimeter of the garden bed?”
Sample answer included in the free materials
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Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
Printable worksheet
Slides
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