Ratios: Part-to-Part and Part-to-Whole

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📊 Part 1: Identifying Ratios

Remember: Part-to-Part ratios compare two parts of a group. Part-to-Whole ratios compare one part to the entire group.

1. In a class of 24 students, there are 10 boys and 14 girls. What is the ratio of boys to girls (part-to-part)?

10:24

10:14

14:24

24:10

2. Using the same class, what is the ratio of girls to total students (part-to-whole)?

14:10

14:24

24:14

10:14

3. A pizza has 8 slices. 3 slices have pepperoni and 5 slices have cheese. Which ratios can you identify? (Check all that apply)

Pepperoni to cheese: 3:5 (part-to-part)

Cheese to total: 5:8 (part-to-whole)

Pepperoni to total: 3:8 (part-to-whole)

Total to pepperoni: 8:3 (whole-to-part)

4. In a parking lot, there are 15 cars and 6 trucks. What is the part-to-part ratio of cars to trucks?

Answer: _____ : _____

✏️ Part 2: Writing and Describing Ratios

5. A fruit basket contains 8 apples, 5 oranges, and 3 bananas. Write the following ratios:

a) Apples to oranges (part-to-part): _____ : _____

b) Bananas to total fruit (part-to-whole): _____ : _____

c) Oranges to total fruit (part-to-whole): _____ : _____

6. Look around your classroom. Create your own real-life ratio example and write it below:

7. Explain the difference between a part-to-part ratio and a part-to-whole ratio using your own words:

8. A sports team has 12 players. 7 players are wearing red jerseys and 5 players are wearing blue jerseys. Write a word problem that asks for a part-to-whole ratio:

🎨 Part 3: Visual Models

9. Draw a visual model (like circles, squares, or pictures) to represent the ratio 4:6. Then explain whether this could represent a part-to-part or part-to-whole ratio:

10. Create your own ratio problem using a real-life situation (like pets, sports, food, etc.). Include both a part-to-part and part-to-whole ratio in your problem:

Ratios: Part-to-Part and Part-to-Whole

Ratios: Part-to-Part and Part-to-Whole

📊 Part 1: Identifying Ratios

✏️ Part 2: Writing and Describing Ratios

🎨 Part 3: Visual Models

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