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Ratios and Proportions Practice
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Ratios and Proportions Practice
📚 Part 1: Ratio and Proportion Problems
1. In a recipe, the ratio of flour to sugar is 3:2. If you use 150g of flour, how much sugar do you need?
Answer: ________ grams
2. A map has a scale of 1:25,000. If the distance between two towns on the map is 8cm, what is the actual distance in kilometres?
Answer: ________ kilometres
3. The ratio of boys to girls in a class is 5:7. If there are 20 boys, how many students are there in total?
Answer: ________ students
4. A car travels 240 kilometres on 20 litres of petrol. How far can it travel on 35 litres at the same rate?
Answer: ________ kilometres
✏️ Part 2: Multiple Choice
5. Which of these ratios is equivalent to 4:6?
8:10
2:3
6:4
12:15
6. If 3 apples cost $2.40, how much do 8 apples cost?
$5.60
$6.40
$7.20
$8.00
7. A photograph measuring 6cm by 9cm is enlarged so that the shorter side becomes 10cm. What is the length of the longer side?
12cm
13cm
15cm
18cm
🎯 Part 3: Problem Solving
8. A school has 480 students. The ratio of Year 7 to Year 8 to Year 9 students is 3:4:5. How many students are in each year level?
Year 7: ________ students
Year 8: ________ students
Year 9: ________ students
9. Sarah mixes paint in the ratio of 2 parts red to 3 parts blue to 1 part white. If she uses 150ml of blue paint, what is the total volume of paint mixture?
Answer: ________ ml
10. Explain in your own words what it means when two ratios are proportional. Give an example.
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