Grade 7 Math lesson plan: Proportional relationships
Topic: Proportional relationships (7.RP.A.2). Adjust the settings, then copy the prompt.
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Planning notes for this lesson
Prerequisite skills to check: ratios, rates and unit rates (6.RP.A.2-3); tables of equivalent ratios; plotting points on the coordinate plane (6.NS.C.8); writing simple equations with two variables (6.EE.C.9).
Key vocabulary: proportional, constant of proportionality, unit rate, origin, y = kx, ratio table.
Warm-up idea: Show two taxi fares: $2 per mile, or a $3 flat fee plus $2 per mile. Ask which fare doubles when the miles double.
Exit ticket idea: Students decide whether a table and a graph each show a proportional relationship, find k for the one that does, and write its equation.
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Quiz on the same standard
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