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Understanding Ratios Introduction
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Understanding Ratios Introduction
📚 Part 1: Understanding Ratios
1. Sarah has 4 red markers and 3 blue markers. What is the ratio of red markers to blue markers?
3 to 4
4 to 3
7 to 4
4 to 7
2. Which of these shows the ratio 5:2 in word form?
5 plus 2
5 to 2
2 to 5
5 minus 2
3. Write the ratio "6 cats to 4 dogs" in all three forms:
Word form: ___________________
Colon form: ___________________
Fraction form: ___________________
4. Check ALL the ways you can write the ratio of 8 basketballs to 5 soccer balls:
8:5
8 to 5
8/5
5:8
✏️ Part 2: Equivalent Ratios
5. Complete this table of equivalent ratios:
Ratio of pencils to erasers = 2:3
| Pencils | Erasers |
|---|---|
| 2 | 3 |
| 4 | ____ |
| ____ | 9 |
| 8 | ____ |
6. If the ratio of boys to girls in a class is 3:4, and there are 12 boys, how many girls are there?
7. Circle the ratios that are equivalent to 6:8:
3:4
12:16
8:6
9:12
🎯 Part 3: Real-World Ratios
8. A recipe calls for 2 cups of flour and 1 cup of sugar. Write this as a ratio in colon form:
Flour to sugar = ___________
9. Create your own ratio scenario using items in your classroom. Write it in all three forms:
10. Explain in your own words what a ratio tells us about two quantities:
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