386 P4.WN.NK.22120114
Level 3
Tanya takes 6 minutes to jog 1 round on the track while Joel takes 9 minutes to jog 1 round. Both of them started jogging around the track in the same direction and at the same time. How long would it take for them to meet each other for the first time at the starting point?
4 m
LCM Length
387 P4.WN.JC.17100603
Level 3
Daryl was trying to sleep one night but there was too much noise around him. His clock ticked every 10 seconds, a tap was dripping every 12 seconds and his dog snored every 15 seconds. He noticed on his clock that all 3 things happened together at 11 p.m.
  1. At what time would all 3 things happen together again?
  2. How many times would all 3 things happen together again from 11 p.m. to 12 midnight?
4 m
W 4 operations LCM Time
388 P2.WN.ED.18012029
Level 3
There were 22 women, 19 men and 14 children onboard a bus. At the first bus-stop, 5 women, 2 men and 8 children alighted. At the same time, 25 children and 4 men boarded the bus. How many more adults than children were there in the bus after leaving the first bus-stop?
4 m
W Addition & subtraction Model Comparison
389 P4.FR.JM.17101780
Level 3
Wendy was 9 years old last year. She was 26 years younger than her mother.
  1. How old will her mother be 5 years later?
  2. In how many years' time will Wendy's age be 13 of her mother's age?
4 m
Fraction to units More than or less than Unchanged difference Units table
390 P4.WN.JM.17102424
Level 3
A frog leaps across 18 lily pads which are of the same distance apart. It takes the frog 6 seconds to get from the 1st lily pad to the 3rd lily pad. How long does it take for the frog to leap from the 6th lily pad to the 17th lily pad.
4 m
W 4 operations Time Intervals

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