Create conversion tables for units of time, and use the tables to solve problems. Practice — Grade 4 math

Lesson 3: Create conversion tables for units of time, and use the tables to solve problems. — Practice Questions

1. A conversion table for weeks to days uses the conversion factor 7. How many days are there in 4 weeks? There are ___ days.
2. If you create a conversion table to relate minutes to seconds, what is the constant conversion factor you would multiply by?
- A. 12
- B. 24
- C. 60
- D. 100
3. A plane trip is 9 hours long. To find the trip length in minutes, you multiply by 60. How many minutes is the trip? It is ___ minutes.
4. In a time conversion table, which operation is used to find the value in the smaller unit from the value in the larger unit?
- A. Addition
- B. Subtraction
- C. Multiplication
- D. Division
5. A family vacation lasts for 6 days. Given that the conversion factor from days to hours is 24, how many hours long is the vacation? The vacation is ___ hours long.
6. Which of the following statements is true when comparing amounts of time?
- A. 4 hours is less than 230 minutes
- B. 4 hours is equal to 230 minutes
- C. 4 hours is greater than 230 minutes
- D. The amounts cannot be compared
7. A chef slow-cooks a roast for 7 hours. Using the conversion factor of 60, how many minutes does the roast cook for? It cooks for ___ minutes.