Mastering Equivalent Ratios: Explore & Create!

1. A recipe for pancakes requires 2 cups of flour for every 3 cups of milk. If you want to make a larger batch using 6 cups of flour, how many cups of milk will you need?

• 9 cups of milk

• 12 cups of milk

• 6 cups of milk

• 3 cups of milk

2. In a fruit salad, the ratio of apples to bananas is 4:5. If you have 20 apples, how many bananas do you need to maintain the same ratio?

• 15

• 25

• 30

• 20

3. A car travels 150 miles on 5 gallons of gas. How many miles can it travel on 15 gallons of gas while maintaining the same fuel efficiency?

• 300 miles

• 600 miles

• 375 miles

• 450 miles

4. A classroom has a ratio of 3 boys to 4 girls. If there are 21 boys in the classroom, how many girls are there?

• 28

• 24

• 30

• 32

5. A gardener plants flowers in a ratio of 2 roses for every 3 tulips. If he plants 12 tulips, how many roses should he plant?

• 6

• 12

• 8

• 10

6. A recipe calls for 1 cup of sugar for every 2 cups of flour. If you want to use 8 cups of flour, how much sugar do you need?

• 4 cups of sugar

• 6 cups of sugar

• 2 cups of sugar

• 8 cups of sugar

7. In a school, the ratio of teachers to students is 1:15. If there are 30 teachers, how many students are there?

• 600

• 300

• 450

• 4500

8. A map has a scale of 1 inch to 5 miles. If two cities are 15 miles apart, how far apart are they on the map?

• 5 inches

• 2 inches

• 3 inches

• 4 inches

9. A box contains red and blue marbles in the ratio of 3:2. If there are 30 red marbles, how many blue marbles are there?

• 15

• 10

• 25

• 20

10. A recipe requires 4 cups of water for every 1 cup of rice. If you want to cook 3 cups of rice, how many cups of water do you need?

• 14 cups of water

• 10 cups of water

• 12 cups of water

• 8 cups of water