Worksheet #2 for converting hours, minutes, and seconds into minutes, ideal for math practice.

Problem Overview:

The task is to convert given time durations (in hours and minutes) into minutes. The key formula to remember is:

- 1 hour = 60 minutes

We will use this conversion factor to solve each problem step by step.

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Solution:

#### 1. 2 hrs 15 mins = ______ mins
- Convert hours to minutes: \( 2 \text{ hours} \times 60 = 120 \text{ minutes} \)
- Add the extra minutes: \( 120 + 15 = 135 \text{ minutes} \)
- Answer: \( 135 \text{ minutes} \)

#### 2. 3 hrs 11 mins = ______ mins
- Convert hours to minutes: \( 3 \text{ hours} \times 60 = 180 \text{ minutes} \)
- Add the extra minutes: \( 180 + 11 = 191 \text{ minutes} \)
- Answer: \( 191 \text{ minutes} \)

#### 3. 1 hr 21 mins = ______ mins
- Convert hours to minutes: \( 1 \text{ hour} \times 60 = 60 \text{ minutes} \)
- Add the extra minutes: \( 60 + 21 = 81 \text{ minutes} \)
- Answer: \( 81 \text{ minutes} \)

#### 4. 5 hrs 01 min = ______ mins
- Convert hours to minutes: \( 5 \text{ hours} \times 60 = 300 \text{ minutes} \)
- Add the extra minutes: \( 300 + 1 = 301 \text{ minutes} \)
- Answer: \( 301 \text{ minutes} \)

#### 5. 9 hrs 9 mins = ______ mins
- Convert hours to minutes: \( 9 \text{ hours} \times 60 = 540 \text{ minutes} \)
- Add the extra minutes: \( 540 + 9 = 549 \text{ minutes} \)
- Answer: \( 549 \text{ minutes} \)

#### 6. 2 hrs 51 mins = ______ mins
- Convert hours to minutes: \( 2 \text{ hours} \times 60 = 120 \text{ minutes} \)
- Add the extra minutes: \( 120 + 51 = 171 \text{ minutes} \)
- Answer: \( 171 \text{ minutes} \)

#### 7. 3 hrs 20 mins = ______ mins
- Convert hours to minutes: \( 3 \text{ hours} \times 60 = 180 \text{ minutes} \)
- Add the extra minutes: \( 180 + 20 = 200 \text{ minutes} \)
- Answer: \( 200 \text{ minutes} \)

#### 8. 4 hrs 34 mins = ______ mins
- Convert hours to minutes: \( 4 \text{ hours} \times 60 = 240 \text{ minutes} \)
- Add the extra minutes: \( 240 + 34 = 274 \text{ minutes} \)
- Answer: \( 274 \text{ minutes} \)

#### 9. 6 hrs 11 mins = ______ mins
- Convert hours to minutes: \( 6 \text{ hours} \times 60 = 360 \text{ minutes} \)
- Add the extra minutes: \( 360 + 11 = 371 \text{ minutes} \)
- Answer: \( 371 \text{ minutes} \)

#### 10. 1 hr 45 mins = ______ mins
- Convert hours to minutes: \( 1 \text{ hour} \times 60 = 60 \text{ minutes} \)
- Add the extra minutes: \( 60 + 45 = 105 \text{ minutes} \)
- Answer: \( 105 \text{ minutes} \)

#### 11. 2 hrs 24 mins = ______ mins
- Convert hours to minutes: \( 2 \text{ hours} \times 60 = 120 \text{ minutes} \)
- Add the extra minutes: \( 120 + 24 = 144 \text{ minutes} \)
- Answer: \( 144 \text{ minutes} \)

#### 12. 18 hrs 10 mins = ______ mins
- Convert hours to minutes: \( 18 \text{ hours} \times 60 = 1080 \text{ minutes} \)
- Add the extra minutes: \( 1080 + 10 = 1090 \text{ minutes} \)
- Answer: \( 1090 \text{ minutes} \)

#### 13. 10 hrs 30 mins = ______ mins
- Convert hours to minutes: \( 10 \text{ hours} \times 60 = 600 \text{ minutes} \)
- Add the extra minutes: \( 600 + 30 = 630 \text{ minutes} \)
- Answer: \( 630 \text{ minutes} \)

#### 14. 5 hrs 53 mins = ______ mins
- Convert hours to minutes: \( 5 \text{ hours} \times 60 = 300 \text{ minutes} \)
- Add the extra minutes: \( 300 + 53 = 353 \text{ minutes} \)
- Answer: \( 353 \text{ minutes} \)

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Final Answers:

\[
\boxed{
\begin{array}{ll}
1. & 135 \\
2. & 191 \\
3. & 81 \\
4. & 301 \\
5. & 549 \\
6. & 171 \\
7. & 200 \\
8. & 274 \\
9. & 371 \\
10. & 105 \\
11. & 144 \\
12. & 1090 \\
13. & 630 \\
14. & 353 \\
\end{array}
}
\]