Time - practice for 12 year olds - page 2 of 51
Number of problems found: 1004
- Planetary system
Robert has built a mechanical model solar system with three balls representing planets at the end of rods. Each rod is attached to the center, representing the Sun. The planets are lined up when he turns on the motor. The innermost planet makes a revoluti - Tom can
Tom can run 3/4 of a mile in 1/8 of an hour. What is the unit rate in miles per hour? - A ship 2
A ship runs at 15 1/2 knots (pls convert to nautical miles per hour) for 3 1/2 hours. How far does the ship travel? - The number 9
The number of minutes it took Jim to ride his bike to school for each of the past six days was 21, 18, 16, 19, 24, and 19. Find the mean number of minutes.
- Mr. and Mrs.
Mr. and Mrs. Williams want to buy a boat that costs $18,520. Mr. Williams saved $850 each month for 7 months. Mrs. Williams saved $970 each month for 7 months. If they combine their money, how much will they have? Will they have enough money to buy the bo - Janet
Janet walks 7/10 miles in 1/4 hour. Ian walks 9/10 miles in 1/3 hour; who walks at the faster rate and why? - Multiplicative inverse
What is the multiplicative inverse of 3 3/13? - Noel drives
Noel drives at an average speed of 52 miles per hour (mi/h) for 3 1/4 hours. How far has he traveled for 3 1/4 hours? - Sarah's age
64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44. Write an equation to determine Sarah's age (a).
- An airplane 3
An airplane descends at a rate of 2,700 feet per minute. Once the airplane starts its descent, what will be its elevation, in feet, after 3 1/5 minutes? - Overdraft account
Many bank accounts never go below zero. However, some banks will allow a negative balance, at least for a short time, called an overdraft. It means someone has taken out, or 'drafted', more money than was in the account, to begin with. Hannah's account we - The temperature 48
The temperature in the town is 36.6°F during the day and -12.6°F at night. What is the temperature change from day to night? - Parul
Parul and Tarun ran a race of 200m. Parul completed the race in 2/3 min and Taun in 3/5 mins. Who took more time? - The track 2
The track team is trying to reduce their time for a relay race. First, they reduce their time by 2.1 minutes. Then, they are able to reduce that time by 1/10. If their final time is 3.96 minutes, what was their beginning time? Show or explain your reasoni
- Tax bill
What is the tax bill for a contractor if his shop has an assessed valuation of $75,000, and the tax rate is $27.50 per thousand dollars of assessed valuation? - Mary spends
Mary spends 2 1/8 hours running and also spends 1 5/7 hours at the mall. How much less time does Mary spend at the mall compared to running? - Sushant
Sushant reads 1/3 of a book in one hour. How many parts of the book will be read in 2 and 1/5 hours? - A cupcake
A cupcake takes just 1/4 of an hour to bake. How can cupcakes bake in 1 1/2 hours? - A biker
A biker traveled from city A to city B via city C with a uniform speed of 52 km/h. He then returned directly to city A with a uniform speed of 89 km/h. Find, in minutes, the total time of his whole journey to two decimal places. City distance A from B is
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