Unit Rate Word Problems Worksheets - 15 Worksheets Library - Free Printable

Of course! I'll solve each of the 10 unit rate word problems from your worksheet and explain the solution for each one.

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Key Concept: Unit Rate

A unit rate is a rate with a denominator of 1. It tells you how much of something happens *per one unit* of another thing (like per hour, per minute, per day, etc.).

To find a unit rate, you divide the total amount by the total time or quantity:

> Unit Rate = Total Amount ÷ Total Time (or Quantity)

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Problem 1:

> A student reads 120 pages of a novel in 5 hours. Calculate the unit rate of page reading in pages per hour.

Solution:
Total pages = 120
Total hours = 5
Unit rate = 120 ÷ 5 = 24 pages per hour

✔ Answer: 24 pages/hour

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Problem 2:

> A group of friends completed 30 math problems in 2 hours. Determine the unit rate of problem-solving in problems per hour.

Solution:
Total problems = 30
Total hours = 2
Unit rate = 30 ÷ 2 = 15 problems per hour

✔ Answer: 15 problems/hour

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Problem 3:

> A student typed 2000 words for an essay in 4 hours. Calculate the unit rate of word typing in words per hour.

Solution:
Total words = 2000
Total hours = 4
Unit rate = 2000 ÷ 4 = 500 words per hour

✔ Answer: 500 words/hour

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Problem 4:

> A student reviewed 50 flashcards in 20 minutes. Determine the unit rate of flashcard review in flashcards per minute.

Solution:
Total flashcards = 50
Total minutes = 20
Unit rate = 50 ÷ 20 = 2.5 flashcards per minute

✔ Answer: 2.5 flashcards/minute

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Problem 5:

> A student practiced playing the piano for 45 minutes and played 9 songs. Calculate the unit rate of song playing in songs per minute.

Solution:
Total songs = 9
Total minutes = 45
Unit rate = 9 ÷ 45 = 0.2 songs per minute

*(You can also write this as 1/5 song per minute)*

✔ Answer: 0.2 songs/minute

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Problem 6:

> A group of students completed 15 chemistry experiments in 5 days. Determine the unit rate of experiment completion in experiments per day.

Solution:
Total experiments = 15
Total days = 5
Unit rate = 15 ÷ 5 = 3 experiments per day

✔ Answer: 3 experiments/day

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Problem 7:

> A student wrote 10 journal entries in 2 hours. Calculate the unit rate of journal entry writing in entries per hour.

Solution:
Total entries = 10
Total hours = 2
Unit rate = 10 ÷ 2 = 5 entries per hour

✔ Answer: 5 entries/hour

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Problem 8:

> A student studied for 12 hours and read 240 pages of a textbook. Determine the unit rate of page reading in pages per hour.

Solution:
Total pages = 240
Total hours = 12
Unit rate = 240 ÷ 12 = 20 pages per hour

✔ Answer: 20 pages/hour

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Problem 9:

> A student solved 100 math problems in 4 days to prepare for an exam. Calculate the unit rate of problem-solving in problems per day.

Solution:
Total problems = 100
Total days = 4
Unit rate = 100 ÷ 4 = 25 problems per day

✔ Answer: 25 problems/day

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Problem 10:

> A student read 30 articles in 10 days to gather research material. Determine the unit rate of article reading in articles per day.

Solution:
Total articles = 30
Total days = 10
Unit rate = 30 ÷ 10 = 3 articles per day

✔ Answer: 3 articles/day

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## ✔ Final Answers Summary:

1. 24 pages/hour
2. 15 problems/hour
3. 500 words/hour
4. 2.5 flashcards/minute
5. 0.2 songs/minute
6. 3 experiments/day
7. 5 entries/hour
8. 20 pages/hour
9. 25 problems/day
10. 3 articles/day

Let me know if you’d like these explained with diagrams or real-life examples too!