Time + subtraction - practice problems - page 3 of 8
Number of problems found: 148
- Jack had
Jack had 4 hours of school. He spent 45 minutes in the library and 1/2 hour on a science lecture and had a lunch break of 25 minutes. How much time is left for the school to get over? (Write the answer as a fraction.) - A welder
A welder has two pieces of half-inch pipe, one of length 2 3/8 ft and another of length 3 7/8 ft. What is the total length of the two welded together? How much must be cut off if she needs a total length of 4 3/4 ft? - The melon
There was 1 3/6 melon left for dinner. At dinner time, the family ate 4/6 of the melon. What part of the melon was left for the next meal? - Jerrie
Jerrie can repair her car in 1 1/12 hours. A mechanic can do the same job in 8/12 hours. How much longer does it take Jerrie to do the job?
- The mall
Pia spent 1 9/12 hours in her grandparents' house. This time was 8/12 of an hour more than the time she spent at the mall. How much time did she spend at the mall? - Maria 4
Maria earns $15.25 per hour babysitting and $16.50 per hour cleaning the house. Last weekend, she spent 3 hours babysitting and 2 hours cleaning the house. Then, she went to the shop and spent $27.69. How much money does Maria have left? - Yesterday 6
Yesterday it was 24°C, and today it is 28°C. By how many degrees has the temperature increased? - Selling eggs
Mandy bought 24 trays of eggs. The tray contains 30 pieces. Each tray costs P130.00. He sold per piece for P8.00. But since 12 pieces are tiny, he decided to sell them for P7.00 only. Assume that Mandy incurred the operating expenses of P800.00 and an int - Centi-year 73254
How many minutes is the centi-year longer / shorter than a deca-month? The year is 365 days, and the month is 30 days.
- Temperature 72104
Jaroslav had a temperature of 36.8 °C in the morning. In the afternoon, it had a temperature of 38.4 °C. How many °C did Jaroslav's temperature rise? - The temperature 31
The temperature last night was -11°C, and at noon today, it was 3°C. What is the difference between the temperatures? - At 5:00
At 5:00 AM, the room temperature was 20°C. After six hours, the reading was 28°C. The temperature rose to how many degrees? What was the average change in temperature per hour? - On Tuesday 2
On Tuesday, the temperature at 9 a.m. at Camden's house was -4°Fahrenheit. By 4 p.m., the temperature at his house was 8°Fahrenheit. Which statement about the change in temperature from 9 a.m. to 4 p.m. at Camden's house is true? Is house true? A. The tem - Minus temperature comparing
At noon, the temperature was –25°F. At 8:00 PM, the temperature was –14°F. Did the temperature rise or fall? ...
- Seamus
Seamus plays outside for five and five-sixths hours every week. He has already played outside for four and three-sixths hours. How many hours does he have left to play? - Midnight 67644
The bacteria in the test tube divide into two every second, with each new one having the same volume as the original. At exactly midnight, the test tube was full. At what time was the test tube half full? - Liberec 67194
What time does the driver have to leave Liberec to be in Jihlava (240 km away) at 11 o'clock if he drives at an average speed of 80 km per hour? - Wednesday 67114
Emil and Erika are playing a board game. a) on Monday, they started playing at 17:36 and played for 45 minutes. What time was it when they finished? b) on Tuesday, they played from 4:47 p.m. Until half past six. How many minutes did they play? c) they pla - Hector
Hector has 3/4 hours to spend completing his homework. He wants to spend 1/3 of his time on math homework, 10 minutes on reading homework, and the remaining time on science homework. How much time, in minutes, does he have to spend on his SCIENCE homework
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