Introduce proportionality through multiple problem solving models including tables, graphs, strip diagrams, and equivalent ratios with scale factor. Use this lesson to start with the basics of equivalent ratios using the real-world scenario of students attending an afterschool program. Each piece of the lesson refers back to this scenario and then builds on it using other problem solving situations. The student lesson includes 10 pages of materials that you can use with your class to take them from the basics of proportional relationships to setting up their own work to solve rigorous, real-world scenario word problems.
A teacher guide is included to help you prep for the lesson as well as engaging option materials to use when teaching. A color and black and white poster of the scenario used throughout the lesson is included as well as a poster of the strip diagrams that can be used by the teacher or by the students. A full answer key is also included to make checking easier as well as to give you some help on possible uses of the strip diagrams, tables, and equivalent ratios.
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•Constants of Proportionality Task Cards
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