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Grade 4 Mathematics Online Lessons on Time
In March, Kabiru worked for 28 days. How long was this period in weeks?
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1.
Convert each of the following into minutes: a) 3 hours b) 20 hours
2.
Convert each of the following to minutes: a) 2 hours 30 minutes b) 8 hours 5 minutes
3.
A mathematics test took 2 hours. How much time was it in minutes?
4.
A tractor took 6 hours to cultivate a piece of land. How many minutes are these?
5.
Trevor slept for 8 hours 20 minutes. For how long did he sleep in minutes?
6.
A journey by bus took 9 hours 15 minutes. How long did the journey take in minutes?
7.
Convert each of the following to hours: a) 120 minutes b) 360 minutes
8.
Convert each of the following to hours and minutes: a) 170 minutes b) 250 minutes
9.
A meeting took 110 minutes. How long was this time in hours and minutes?
10.
Waia took 75 minutes to knit a pair of socks. How many hours and minutes was this time?
11.
Maria took 120 minutes to fetch water from the river and back to her home. How many hours did she take?
12.
A football match took 105 minutes. How long did the match take in hours and minutes?
13.
Convert each of the following days into hours: a) 6 days b) 22 days
14.
A school trip took 4 days. How long was the trip in hours?
15.
A carpenter took 12 days to repair tables and chairs in a school. How long was this time in hours?
16.
Convert each of the following hours to days: a) 48 hours b) 216 hours
17.
Convert to days and hours: a) 98 hours b) 56 hours
18.
Charo visited his grandmother for 360 hours. How long was the visit in days?
19.
A tractor took 312 hours to plough some land. How long did the tractor take in days?
20.
Convert each of the following weeks to days: a) 3 weeks b) 12 weeks
21.
Convert each of the following days to weeks: a) 21 days b) 84 days
22.
Convert to weeks and days: a) 41 days b) 99 days
23.
A scout’s camp took three weeks. How many days did the camp last?
24.
A farmer planted beans. The beans took 12 weeks to mature. How long was this time in days?
25.
It takes 3 weeks for eggs to hatch. How long is this period in days?
26.
A school holiday took 70 days. How many weeks were these?
27.
In March, Kabiru worked for 28 days. How long was this period in weeks?
28.
A company took 94 days to construct a bridge. How long was the period in weeks and days?
29.
Work out: addition of hours and minutes
30.
Work out: addition of weeks and days
31.
Joy took 1 h 15 min to walk from home to the market. She took 1 h 30 min to do shopping and walk back home. For how long was she away from home?
32.
Nduku worked for 3 h 20 min in the morning. She also worked for 2 h 50 min in the afternoon. For how long did she work?
33.
Otieno visited his uncle in Nakuru for two weeks four days. He later visited his aunt in Mombasa for one week four days. How long were his visits?
34.
A tractor took 5 weeks 4 days to plough a farm. It took 3 weeks 6 days to plough another farm. How long did it take to plough the two farms?
35.
Work out: (add weeks and days)
36.
Work out: subtracting hours and minutes
37.
Work out: subtracting weeks and days
38.
Tanui took 2 hours 40 minutes to finish a race. Ouko took 2 hours 18 minutes to finish the same race. How much longer did Tanui take to finish the race?
39.
A bus took 5 hours 15 minutes to travel from Kisii to Nairobi. A car took 4 hours 30 minutes to travel the same distance. How much longer did the bus take than the car?
40.
A tourist spent 3 weeks 4 days in Masai Mara Game Reserve. He later spend 2 weeks 5 days in Nairobi National Park. How much longer did he stay in Masai Mara than in Nairobi National Park?
41.
Kamau took 2 weeks 2 days to prepare his farm. Hamisi took 1 week 6 days to prepare her shamba. How much longer did Kamau take than Hamisi?
42.
Mwandengu walks from home to school every morning. The school is 3.35 km away from his home. Calculate the distance he covers every day to and from school in metres.
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