WRITTEN OUTPUT 1 - RATIO AND PROPORTION

Ratio and Proportion Practice for 5th Grade

DIRECTION: Write your solution and your answer. 

Part 1: Writing Ratios

1. There are 3 red apples and 5 yellow apples. Write the ratio of red apples to yellow apples in colon form, fraction form, and words.
2. In a classroom of 25 students, 10 wear glasses. Write the ratio of students with glasses to total students in all three forms.
3. A recipe calls for 2 cups of flour to 1 cup of sugar. Write the ratio of flour to sugar in all three forms.
4. Out of 12 cookies, 8 are chocolate chip. Write the ratio of chocolate chip cookies to total cookies in all three forms.
5. Julia has 4 green pencils and 2 blue pencils. Write the ratio of green pencils to blue pencils in all three forms.
6. Mary read 20 pages of a book, and 15 pages are left unread. Write the ratio of pages read to unread pages in all three forms.
7. In a garden, 3 out of 9 flowers are sunflowers. Write the ratio of sunflowers to other flowers in all three forms.
8. A bike has 2 wheels and 1 frame. Write the ratio of wheels to the frame in all three forms.
9. The ratio of boys to girls in a class is 1:2. Write this ratio in colon form and in words.
10. The ratio of marbles to balls in a bag is 4:3. Write this ratio in fraction form and in words.

Part 2: Missing Value in Proportions

1. There are 4 red apples and 2 yellow apples. If the ratio of red apples to total apples is 4:6, how many total apples are there?
2. There are 3 blue crayons and 2 red crayons. If the ratio of red crayons to total crayons is 2:7, how many total crayons are there?
3. The ratio of boys to girls in a class is 3:4. If there are 24 girls, how many boys are there?
4. A recipe calls for 4 cups of flour and 2 cups of sugar. If there are 6 cups of flour, how many cups of sugar are needed?
5. There are 8 birds on a tree, and 4 birds fly away. If the ratio of birds remaining to birds that flew away is 2:4, how many birds remain on the tree?
6. The ratio of cars to motorcycles in a parking lot is 5:2. If there are 10 cars, how many motorcycles are there?
7. Mary reads 3 pages of a book every 10 minutes. If she read 15 pages, how many minutes did she spend reading?
8. A plant grows 2 inches every week. If it is now 16 inches tall, how many weeks has it been growing?
9. The ratio of red marbles to blue marbles in a bag is 3:2. If there are 12 red marbles, how many blue marbles are there?
10. A recipe calls for 1 cup of milk for every 2 cups of flour. If you have only 3 cups of flour, how much milk do you need?

CHECK YOUR ANSWERS:

Answer Key: Ratio and Proportion Practice for 5th Grade

Part 1: Writing Ratios

1. 3:5 (3 to 5), 3/5 (three-fifths), 3 out of 5
2. 10:25 (10 to 25), 2/5 (two-fifths), 2 out of 5
3. 2:1 (2 to 1), 2/1 (two-to-one), 2 for every 1
4. 8:12 (8 to 12), 2/3 (two-thirds), 2 out of 3
5. 4:2 (4 to 2), 2:1 (two to one), 2 for every 1
6. 20:15 (20 to 15), 4:3 (four-thirds), 4 out of 3
7. 3:6 (3 to 6), 1/2 (one-half), 1 out of 2
8. 2:1 (2 to 1), 2:1 (two to one), 2 for every 1
9. 1:2 (1 to 2), 1 boy to 2 girls
10. 4:3 (4 to 3), 4 marbles to 3 balls

Part 2: Missing Value in Proportions

1. 6 total apples
2. 7 total crayons
3. 18 boys
4. 3 cups of sugar
5. 4 birds remaining
6. 4 motorcycles
7. 50 minutes
8. 8 weeks
9. 8 blue marbles
10. 1.5 cups of milk

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