Math Drills
Units (Hours and Minutes)
B-3Conversion (Hours → Minutes)
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What this worksheet covers
- Topic
- Time and Duration
- Worksheet
- Units (Hours and Minutes)
One hour to sixty minutes is the only relation in play, and on it hang the conversions from hours into minutes and from minutes back into hours and minutes. Unlike length and capacity, nothing here gathers at ten or a hundred, and that is what makes the unit awkward.
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Turning hours into minutes, children multiply by ten or a hundred, a habit left over from the units of length and capacity. Coming back the other way, whatever is left above sixty gets written into the minute column and the hours come out one short.
First lesson of Time and Duration. As far as Elapsed Time (AM and PM) the work was reading a clock face; here a duration itself is restated as a figure. Addition and Subtraction then puts that figure into calculation.
- Hours→Minutes6 questions
- Hours, Minutes→Minutes14 questions
Questions & answers
Problems and answers on this worksheet
These are the problems in “Time and Duration”, shown with their answers.
(1)12 hours = □
Answer: 720minutes
(2)9 hours = □
Answer: 540minutes
(3)8 hours = □
Answer: 480minutes
(4)6 hours = □
Answer: 360minutes
(5)7 hours = □
Answer: 420minutes
(6)5 hours = □
Answer: 300minutes
(7)2 hours 20 minutes = □
Answer: 140minutes
(8)2 hours 15 minutes = □
Answer: 135minutes
(9)1 hours 20 minutes = □
Answer: 80minutes
(10)2 hours 35 minutes = □
Answer: 155minutes
(11)2 hours 30 minutes = □
Answer: 150minutes
(12)2 hours 40 minutes = □
Answer: 160minutes
(13)2 hours 55 minutes = □
Answer: 175minutes
(14)1 hours 25 minutes = □
Answer: 85minutes
(15)1 hours 40 minutes = □
Answer: 100minutes
(16)1 hours 55 minutes = □
Answer: 115minutes
(17)1 hours 45 minutes = □
Answer: 105minutes
(18)1 hours 5 minutes = □
Answer: 65minutes
(19)2 hours 10 minutes = □
Answer: 130minutes
(20)1 hours 50 minutes = □
Answer: 110minutes
What to do next
More worksheets in this unit
Adding and Subtracting TimeAdding and Subtracting Time Word Problems (Addition)
Adding and Subtracting TimeAdding and Subtracting Time Word Problems (Subtraction)
Elapsed TimeElapsed Time Word Problems
Time and Duration ReviewTime and Duration Review Conversion
Time and Duration ReviewTime and Duration Review Word Problems
