Solving Proportions Lesson: Multistep Ratio Problems, Grades 7-8

A beekeeper gets 5 jars of honey from every 2 hives. How many jars from 8 hives? A proportion is two equal ratios, and this lesson teaches students to set one up with the units in the same places and then solve it three ways: with a scale factor, with a unit rate, and with an equation y = kx where both sides are multiplied and the reason is said out loud.

What's inside

• 18 slides, with speaker notes on all 18
• Lesson plan, 2 pages: standards, materials, objective, a teacher-guided sequence keyed to slide numbers, a "Watch For" note, a 25-minute version and a note on using the deck in Google Slides
• Scaffolded notes, 1 page, fill-in to match the slides
• Practice worksheet, 2 pages: 17 items
• Exit ticket, 3 questions, two to a sheet
• Answer key, 3 pages, with the steps worked out
• Print-all PDF, 9 pages, the day's lesson plan, notes, practice, exit ticket and answer key in one file

Answer key included

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