Unit 2: Ratios and Proportions
Duration of Days: 20
1. How do you identify and represent proportional relationships?
2. How do scale drawings represent actual measurements through proportional relationships?
3. How do the faces of 3D figures relate to their 2D slices?
1. Compare fractions to fractions and fractions to decimals in word problems
2. Identify proportional relationships and constant of proportionality in graphs, tables, equations and word problems
3. Create proportional equations from tables, graphs and word problems
4. Use proportional reasoning to scale items and apply scale factor
5. Draw, construct and describe geometrical figures and describe the relationships between them
6. Identify the 2D figures created by a horizontal or vertical cross section of a 3D figure
Formative and Summative Assessments
| Lesson # | Lesson Title | Duration of Days |
|---|---|---|
| 1 | Complex Fractions and Unit Rates | 2 |
| 2 | Constant of Proportionality | 2 |
| 3 | Create Proportional Equations | 5 |
| 4 | Scale Factor | 3 |
| 5 | Scale Factor and Geometric Figures | 1 |
| 6 | Slices | 1 |
| 7 | Review and Assessment | 6 |