Let's solve each problem step by step:
---
Problem 1:
Question: If you run for 15 minutes, how long will it take to run for a half hour?
- A half hour is equal to 30 minutes.
- You have already run for 15 minutes.
- To find out how much more time you need to run to reach 30 minutes:
\[
30 \text{ minutes} - 15 \text{ minutes} = 15 \text{ minutes}
\]
Answer: 15 minutes
---
Problem 2:
Question: If you read for 20 minutes and then skip for 10 minutes, how long have you been active for?
- Reading time: 20 minutes
- Skipping time: 10 minutes
- Total active time:
\[
20 \text{ minutes} + 10 \text{ minutes} = 30 \text{ minutes}
\]
Answer: 30 minutes or 1/2 hour
---
Problem 3:
Question: If you walk for 45 minutes, how much longer do you need to walk to reach 1 hour?
- 1 hour is equal to 60 minutes.
- You have already walked for 45 minutes.
- To find out how much more time you need to walk to reach 60 minutes:
\[
60 \text{ minutes} - 45 \text{ minutes} = 15 \text{ minutes}
\]
Answer: 15 minutes
---
Problem 4:
Question: If you skip for 30 minutes and then run for 15 minutes, how long have you been active for?
- Skipping time: 30 minutes
- Running time: 15 minutes
- Total active time:
\[
30 \text{ minutes} + 15 \text{ minutes} = 45 \text{ minutes}
\]
Answer: 45 minutes or 3/4 hour
---
Problem 5:
Question: If it takes you 10 minutes to read a book, how long will it take to read 6 books?
- Time to read 1 book: 10 minutes
- Time to read 6 books:
\[
10 \text{ minutes/book} \times 6 \text{ books} = 60 \text{ minutes}
\]
Answer: 1 hour
---
Problem 6:
Question: If you play outside for 20 minutes and then read for 15 minutes, how long have you been active for?
- Playing time: 20 minutes
- Reading time: 15 minutes
- Total active time:
\[
20 \text{ minutes} + 15 \text{ minutes} = 35 \text{ minutes}
\]
Answer: 35 minutes
---
Final Answers:
1.
15 minutes
2.
30 minutes or 1/2 hour
3.
15 minutes
4.
45 minutes or 3/4 hour
5.
1 hour
6.
35 minutes
Boxed Final Answer:
\[
\boxed{15 \text{ minutes}, 30 \text{ minutes or 1/2 hour}, 15 \text{ minutes}, 45 \text{ minutes or 3/4 hour}, 1 \text{ hour}, 35 \text{ minutes}}
\]
Parent Tip: Review the logic above to help your child master the concept of time worksheet grade 4 word problems.