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Grade 5 Mathematics Online Lessons on Time

TIME
1. Relationship between the minute and the second
2. Addition of minutes and seconds
3. Subtraction of minutes and seconds
4. Multiplication of minutes and seconds by whole numbers
5. Division of minutes and seconds by whole numbers

Lessons (33)

• 1.    Copy and complete the table. (Time from minutes to seconds)
  2m 0s

• 2.    Convert each of the following into seconds:a) 7 minutesb) 11 minutesc) 20 minutesd) 32 minutes
  2m 8s

• 3.    Convert each of the following to seconds:a) 1 min 10 secondsb) 3 minutes 53 seconds
  1m 33s

• 4.    An athlete took 4 minutes to complete a race. How many seconds did the race take?
  0m 47s

• 5.    Jane took 35 minutes to prepare a meal. How long, in seconds, did she take to prepare the meal?
  1m 13s

• 6.    Rashid read a chapter of a book in 3 minutes 28 seconds. How long, in seconds, did he take to read the chapter?
  1m 37s

• 7.    Convert the following into minutes:a) 180 secondsb) 420 seconds
  1m 20s

• 8.    Convert the following to minutes and seconds:a) 150 secondsb) 650 seconds
  2m 8s

• 9.    Kamau took 735 seconds to walk from home to school. What was this time in minutes and seconds?
  1m 31s

• 10.    A rally car took 175 seconds to complete a race. What was this time in minutes and seconds?
  1m 24s

• 11.    An athlete took 220 seconds to complete a 1500 metres race. What was the time in minutes and seconds?
  1m 30s

• 12.    A cyclist took 960 seconds to move from village B to village C. What is this time in minutes and seconds?
  1m 58s

• 13.    Work out: ( Add minutes and seconds)
  2m 8s

• 14.    Work out:a) 22 minutes 40 seconds + 16 minutes 10 secondsb) 35 minutes 45 seconds + 20 minutes 35 seconds
  2m 37s

• 15.    Dora took 15 minutes 33 seconds to run a distance. She then took 17 minutes 40 seconds to walk the remaining distance. What was the total time taken?
  1m 51s

• 16.    George swam for 17 minutes 42 seconds. He later swam for 18 minutes 30 seconds. For how long did he swim altogether?
  2m 1s

• 17.    A lesson ended after 35 minutes 25 seconds. Another lesson took 37 minutes 45 seconds. What total time did the two lessons take?
  1m 44s

• 18.    A security meeting took 45 minutes 25 seconds. It was followed by a break of 10 minutes 46 seconds. How long did the meeting and the break take?
  1m 38s

• 19.    Work out: (subtract minutes and seconds)
  3m 30s

• 20.    Rono took 50 minutes 23 seconds to complete a race. Limo took 52 minutes 30 seconds to complete the same race. What is the difference in their times?
  1m 9s

• 21.    Tank A is filled with water in 25 minutes 45 seconds. Tank B is filled with water in 41 minutes 7 seconds. What is the difference in the time taken to fill the two tanks?
  2m 39s

• 22.    Work out:a) 31 minutes 24 seconds – 25 minutes 12 secondsb) 55 minutes 7 seconds – 43 minutes 46 seconds
  2m 32s

• 23.    Jairo did a test in 20 minutes 55 seconds. Dan did the same test in 19 minutes 58 seconds. What is the difference in their time?
  2m 28s

• 24.    Work out: (multiply minutes and seconds)
  4m 46s

• 25.    Multiply:a) 18 minutes 20 seconds × 2b) 33 minutes 28 seconds × 11
  3m 53s

• 26.    A class lesson takes 35 minutes. How long will five such lessons take?
  0m 42s

• 27.    A tap takes 25 minutes 50 seconds to fill a tank. How long will the tap take to fill four such tanks?
  1m 54s

• 28.    Mutegi planted a tree seedling in 6 minutes 18 seconds. How long would he take to plant three such tree seedlings?
  1m 16s

• 29.    Work out: (divide minutes and seconds)
  1m 41s

• 30.    Work out: (divide minutes and seconds by whole numbers)
  1m 58s

• 31.    Work out: a) 42 minutes 24 seconds ÷ 6 b) 69 minutes 12 seconds ÷ 4
  2m 50s

• 32.    A water pump fills three tanks of equal capacity in a total of 45 minutes 30 seconds. How long does the pump take to fill one tank?
  1m 26s

• 33.    A machine takes 8 minutes 20 seconds to make 20 door mats. How long does it take to make one mat?
  2m 29s