Copy of IM Grade 7: Unit 4 - Proportional Relationships and Percentages

Author:simsenghuat, GeoGebra Classroom Activities

In this unit, students use ratios, scale factors, unit rates (also called constants of proportionality), and proportional relationships to solve multi-step, real-world problems that involve fractions and percentages. To learn more about how to use GeoGebra’s fully digital and interactive curriculum, visit our IM 6-8 page.

4.1 Lots of Flags

4.2 Ratios and Rates with Fractions

4.3 Revisiting Proportional Relationships

4.4 Half as Much Again

4.5 Say It with Decimals

4.6 Increasing and Decreasing

4.7 One Hundred Percent

4.8 Percent Increase and Decrease with Equations

4.9 More and Less than 1%

4.10 Tax and Tip

4.11 Percentage Contexts

4.12 Finding the Percentage

4.13 Measurement Error

4.14 Percent Error

4.15 Error Intervals

4.16 Posing Percentage Problems

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