Math Drills
Adding and Subtracting Time
B-1Word Problems (Subtraction)
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What this worksheet covers
- Topic
- Time and Duration
- Worksheet
- Addition and Subtraction
Two stretches of time are put together, or the time spent is taken out of a whole to leave the rest, and both come as word problems. Adding and subtracting are both present: the scene is read, the equation set down, and the answer written in hours and minutes either way.
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The first thing to look at is whether the minutes in the answer have come below sixty. Answers left standing at seventy or eighty minutes, never converted into hours, are caught that way. In the subtracting items the minutes fall short and sixty cannot be borrowed from the hours, so the smaller figure is taken from the larger instead.
Middle of three lessons, where the restatement of sixty learned in Units (Hours and Minutes) gets used inside a situation. Elapsed Time then changes the shape into finding the stretch between two clock times.
- Subtraction6 questions
Questions & answers
Problems and answers on this worksheet
These are the problems in “Time and Duration”, shown with their answers.
(1)In the tennis club they played tennis for 2 hours 5 minutes. The break was 20 minutes. How many hours and minutes were they moving? Answer □ □
Answer: 1h, 45min
(2)There were 2 hours for knitting. Changing the thread took 15 minutes. How many hours and minutes did they keep knitting? Answer □ □
Answer: 1h, 45min
(3)The school field trip was 3 hours 20 minutes. The time on the bus was 55 minutes. How many hours and minutes did they walk? Answer □ □
Answer: 2h, 25min
(4)In the morning they did exercises for 1 hour 30 minutes. They drank water and rested for 10 minutes. How many hours and minutes were they moving? Answer □ □
Answer: 1h, 20min
(5)Olivia was at the festival for 2 hours 40 minutes. The lunch time was 35 minutes. How many hours and minutes was she playing? Answer □ □
Answer: 2h, 5min
(6)On the day off, they went cycling for 2 hours 30 minutes. Their rest time was 45 minutes. How many hours and minutes were they riding? Answer □ □
Answer: 1h, 45min
What to do next
More worksheets in this unit
Units (Hours and Minutes)Units (Hours and Minutes) Conversion (Hours → Minutes)
Adding and Subtracting TimeAdding and Subtracting Time Word Problems (Addition)
Elapsed TimeElapsed Time Word Problems
Time and Duration ReviewTime and Duration Review Conversion
Time and Duration ReviewTime and Duration Review Word Problems
