Converting Measurement Units Lesson: Ratio Reasoning, Grades 6-7

12 inches in 1 foot is a ratio, and that is all a conversion is. This lesson shows students how to write a conversion fact as a ratio and use it with a ratio table, a double number line, or by multiplying or dividing. Before any calculating, they ask one question: will the answer have more units or fewer?

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 and a 25-minute version
• 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 and the filled-in tables and number lines
• 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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