Writing Proportions
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Objective
I can set up a proportion to match a real-world situation.
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
Define what a proportion is in your own words.
Explain the process of cross multiplication and why it works for solving proportions.
Part 3 of 3
Exit ticket
Quick comprehension check
“A store sells 5 apples for $3. Set up a proportion to find the cost of 15 apples. A recipe requires 2 cups of flour for every 1 cup of sugar. Set up a proportion to determine how many cups of flour are needed if you use 4 cups of sugar. A car travels 100 miles on 5 gallons of gas. Set up a proportion to find out how many gallons of gas are needed to travel 300 miles.”
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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