221 P3.ME.JM.17102584
Level 3
Ben is 17 yr 4 mth old. Gina is 7 yr 5 mth older than him. How old is Gina?
4 m
Duration Unit conversion Model Comparison
222 P3.ME.JM.17102585
Level 3
Paul is 18 yr 2 mth old. Anna is 6 yr 5 mth younger than him. How old is Anna?
4 m
Duration Unit conversion Model Comparison
223 P3.ME.JM.17102586
Level 3
John arrived at the computer room at 9.30 a.m. He did his first activity for 30 min and spent the rest of the time on the second activity. He left the computer room at 11.55 a.m. For how long did he spent working on the second activity in the computer room?
4 m
am pm Duration Start end time
224 P3.ME.JM.17102587
Level 3
A bakeshop opens every day for the time as shown. How long is the bakeshop open each day?
4 m
am pm Duration Start end time
225 P3.ME.JM.17102588
Level 3
Jelly and Joana started walking at 5.30 a.m. Jelly walked for 30 min while Joana walked twice as long as Jelly. At what time did Joana finish her walk?
4 m
am pm Duration Start end time Model Times-as-many
226 P6.DA.NK.21060923
Level 3 PSLE
Mr Lee used two printers with different printing rates for a printing job. He started Machine A at 10 00 and started Machine B two minutes later. He stopped both machines at 10 05. The graphs show the total number of pages printed by each machine from the start of printing.
  1. How many pages had been printed by Machine A at the time Mr Lee started Machine B?
  2. What was the difference in the number of pages printed by the two machines from 10 00 to 10 05?
  3. Which machine, A or B, has a faster printing rate? What is the difference in the number of pages printed by the machines in one minute? Give your answer in this format. (Eg A, 1)
4 m
Line graph Rate more than 1 object Duration 24-h clock More than or less than
227 P2.ME.JM.17121972
Level 3
Ariel took a shower and prepared for 25 minutes. He left at 7.15 a.m. At what time did he took a shower?
4 m
am pm Start end time Duration Timeline
228 P2.ME.JM.17121975
Level 3
Angeline started watching the first movie at 6.15 p.m. She took 55 minutes to watch the first movie. After watching the first movie, she proceed to watch the second movie. At what time did she watch the second movie?
4 m
am pm Start end time Duration Timeline
229 P4.ME.NK.23050433
Level 2
Penelope usually takes a bus from her home to school. If she leaves home at 05 00, she will reach school at 06 57. Last week, a new MRT line has opened and she can take the train directly from home to school instead. This will shorten her journey by 16 min.
  1. How long does Penelope take to go school by the new MRT line?
  2. Penelope spent the next 3 h 15 min in school before dismissal. If Penelope started school at 08 10, at what time was she dismissed from school? Give your answer in the 12-hour clock format.
4 m
am pm Start end time Duration Timeline 24-hour clock
230 P2.ME.JM.17121973
Level 3
On Saturday, Earl went to the park at 7.00 a.m. He took 35 minutes walking and 20 minutes jogging. Then, he returned home to take his breakfast. At what time did Earl return home?
4 m
am pm Start end time Duration Timeline W Addition & subtraction
231 P4.ME.NK.23050434
Level 2
Cody's gym class usually lasts 1 h 40 min. However, last Saturday, Cody's class lasted 29 min longer than usual. The class started 20 min late. As such, Cody's class ended at 7.52 p.m. instead of the usual time. What time does Cody's gym class usually start? (Leave your answer in 24-hour clock format.)
4 m
am pm Start end time Duration Timeline 24-hour clock More than or less than Equal stage Units method
232 P2.ME.JM.17121974
Level 3
Freddie jog for 1 hour and 15 minutes. Then he took 40 minutes to walk home. He reached home at 8.00 a.m. At what time did Freddie start jogging?
4 m
am pm Start end time Duration Timeline W Addition & subtraction
233 P4.ME.NK.23050431
Level 2
Sarah read 4 books in 3 h 18 min. She took the same amount of time to read each of the first 3 books. She took 54 min longer to read the fourth book than each of the first 3 books. She finished reading all the books at 19 28. What time did she start reading the fourth book?
4 m
Start end time Duration Timeline 24-hour clock More than or less than Equal stage Units method
234 P4.ME.NK.23081101
Level 3
The time in New Zealand is 4 hours ahead of the time in Singapore. When it is 10 00 in Singapore, it is 14 00 in New Zealand. Kathy went to New Zealand for a work trip. She would be taking a flight from New Zealand at 06 40 to come back to Singapore. The flight duration is 9 h 55 min. At what time would Kathy reach Singapore?
4 m
24-h clock Duration Start end time Time zone
235 P6.SP.TL.18012286
Level 3
A car uses 9 litres of petrol for every 50 km it travels at an average driving speed is 80 km/h. It uses 6 litres of petrol for every 70 km it travels when it average driving speed is 60 km/h. How much petrol will the car consume use for a journey which lasts 12 h if it travels at 80 km/h for 5 h and 60 km/h for the rest of the journey?
4 m
Rate of 1 object DST triangle Journey by parts Unit conversion Duration Volume Units method
236 P6.SP.JC.18011303
Level 3
Nick placed three empty containers side by side. The smallest container has a crack at the bottom of its side and the base area of each container is 18 cm2. After he turned on the faucet for 68 minutes, the height of the water in the smallest container became 8 cm although 0.8 mℓ of water is leaking out of the crack per minute. Find the rate of flow of water from the faucet. Give the answer in mℓ/min.
4 m
Rate more than 1 object Unit conversion Duration Volume
237 P6.SP.JC.21061106
Level 3 PSLE
The photocopying rates of two machines A and B are as shown. Both machines were use to make a copy of a set of notes which had been divided into teacher set and student set. Machine A took 7 minutes is to photocopy teacher set and Machine B took 9 minutes to photocopy student set.
  1. How many pages were there altogether in the set of notes?
  2. Another copy of the same set of notes was made using Machine B only. How many minutes did Machine B take?
4 m
Rate more than 1 object Duration Unit conversion Number x value Units table
238 P6.SP.JC.18011323
Level 3
When both printers U and V are used, a collection of books can be printed in 3 hours. While printing, Printer U broke down. As a result, it took 113 hours to complete printing. If it would take Printer V 4 hours to print the collection alone,
  1. how long would it take to print the collection of books using only Printer U? Express your answer in hours.
  2. how long was Printer U used before it broke down? Express your answer in hours.
4 m
Rate more than 1 object Unit conversion Duration Volume
239 P6.SP.TL.18012227
Level 3
If Albert and Marvin work together, they can complete a job in 14 days. If Albert and Marvin worked together for 7 days, followed by Marvin who worked alone for the next 21 days, they can finish off the job.
  1. How long can Marvin finish the work alone? Express the answer in days.
  2. How long can Albert finish the work alone? Express the answer in days.
4 m
Rate more than 1 object Duration
240 P6.SP.TL.18012231
Level 3
If Joey and Vic work together on a project, they will complete it in 4 days. If Vic were to work with Richard on the same project, they will take a day longer. If Richard and Teddy work together, they will take 100% more time than Joey and Vic. If Joey and Teddy were to work together, how many more days will they take to complete the project compared to Vic and Richard working together?
4 m
Rate more than 1 object Duration Percent of a whole More than or less than Units & parts & boxes Elimination

5 per page

10 per page

20 per page

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