Chapter 5: Ratios and Proportions

5.1- Rates and Ratios

1. Math Playground - Blast the Equivalent Ratios

2. Math Playground - Dirt Bike Proportions (Multiplayer)

3. Khan Academy - Comparing Unit Rates

4. IXL - Comparing Ratios (word problems)

5. Khan Academy - Unit Rates with Complex Fractions

6. CommonCore Sheets - Complex Fractions Ratio Word Problems

7. Khan Academy - Solving Complex Rate Problems, Multi-step (Hint: Find unit rate first)

8. Khan Academy - Practice Filling Out Tables of Equivalent Ratios (Includes Fractions and Decimals)

5.2- Proportions

1. Khan Academy - Proportional Relationships between two quantities (given a table or solve by making a table of equivalent ratios)

2. IXL - Do the Ratios form a Proportion?

3. CommonCore Sheets - Table of Values Proportional?

5.3/5.4 - Writing & Solving Ratios and Proportions

1. Math Playground -Tape Diagrams to Model Writing & Solving Proportions

2. Khan Academy - Ratio Word Problems (Whole numbers)

3. Khan Academy - Solving Proportions (with unknown values as fractions)

4. Khan Academy - Writing and Solving Proportions

5. Khan Academy - Writing Proportions* hard

6. Common Core Sheets - Ratio and Proportion Word Problems (includes finding the other half and the total)

7. IXL - Solving Proportions (word problems)

8. Khan Academy - Probability and Predictions

9. IXL - Probability and Predictions

10. Khan Academy - Making Predictions using Random Samples and Population (Proportions)

11. IXL - Estimate Population Size using Proportions

5.6 Constant of Proportionality

1. Khan Academy - Graphs of Proportional Relationships (Determine if the graphs show a proportional relationship)

2. Khan Academy - Interpreting Graphs of Proportional Relationships

3. IXL - Complete the Table and Select the Graph of Proportional Relationships

4. IXL - Find the Constant of Proportionality from a Graph

5. CommonCore Sheets - Find the Constant of Proportionality from a Graph (Write in the form y = kx)

6. IXL - Find the Constant of Proportionality from a Table (with interpretation)

7. CommonCore Sheets - Constant of Proportionality from a Table (Write in the form y = kx)

8. Khan Academy - Writing Proportional Equations from Tables and Verbal Descriptions

9. IXL - Find the Constant of Proportionality from a XY Table, then write an equation y = kx

10. IXL - Solve Proportional Problems with Equations y = kx