Time - practice for 12 year olds - page 3 of 52
Number of problems found: 1040
- 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 - Elton
Elton is n years old now. How old was he 8 years ago? How old will he be 16 years from now? If his age in 16 years time will be four times his age 8 years ago, how old is he now? - Feed rate
The feed rate of a drill is the distance it advances with each revolution. If a drill makes 320 rpm and drills a hole 2.625 inches deep in 1.8 minutes, what is the feed rate? - The minute
The minute hand of a clock is 6 cm long. Find the area it sweeps between 2:05 PM and 2:40 PM.
- Water 71
Water was heated to 80°c then allowed to cool at a rate of 6°c per minute. After how long was the temperature 8°C? - Time vs pizza
If Mr. Cromleigh can eat 1/4 of a pizza in 1/6 of an hour, how many pizzas can he eat in one hour? He can eat ____ pizzas. - Sonya
Sonya, Jill, and Donna run each Monday. Jill ran 6/12 of an hour, and Donna ran 5/12 of an hour. If the girls ran a total of one whole hour, what fraction of an hour did Sonya run? - A man 11
A man is x years old. In 10 years, he will be twice as old as he was 5 years ago. How old will he be in 10 years? - Balloon
If a ceiling balloon rises at 120 m (about 400 ft) each minute, what is the ceiling of an overcast deck of stratus clouds 1500 m (about 5000 ft) thick if the balloon disappears into the clouds in 5 minutes? Show your solution.
- Konrad
Konrad coaches football. He cycles 3 km to the stadium at an average 12 km/h speed. How long does Konrad take to cycle to the stadium? - Dexter
Dexter spent 1 2/3 hours working on his history homework and another 2 1/5 hours working on his math homework. How many hours did Dexter spend working on the two homework? - The temperature 45
The temperature in a field is 68°F at 4 PM. The temperature decreases by 4°F per hour. When will the temperature be 60°F? - Share profit
1,2,3 & 4 share profit in the ratio of 4:5:2:3. Total profit is £ 70,000 . What is the actual profit each individual expects - A chocolate 2
A chocolate cake is cut into twelve equal pieces. Mr. Greedy eats five pieces at break time with his mug of tea. What fraction of the cake is left?
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