Questions

From Worst to Best

71 P6.SP.JC.21061117

Level 3 PSLE
Sherry and Cindy started cycling at the same time along a 4.5 km track. Both did not change their speeds from start to finish. Sherry cycled at 375 m/min. When she reached the end of the track, Cindy was 720 m behind her. What was Cindy's cycling speed in m/min?

3 m

Attempt

72 P6.SP.TL.18012258

Level 3
City A and City B is 760 km apart. At 09 00, Sunny, travelling at a constant speed, left City A for City B. At the same time, Ron set off from City B for City A at a constant speed which was 9 km/h faster than Sunny. Find Ron's speed if they met at 17 00.

3 m

Attempt

DST triangle Average speed Different starting point Same starting time Meeting point Common time More than or less than

73 P6.FR.TL.16010120

Level 3
Rael's age is ²₅ of his granduncle's. His granduncle will be 63 years old in 8 years' time. In how many years' time will Rael's age be ²₃ that of his granduncle's?

3 m

Attempt

Fraction to units Unchanged difference Units table

74 P6.SP.TL.18012261

Level 3
Ron jogged while Bella walked from the same place but in opposite directions along a straight road. After 5 hours, they were 30 km apart. Ron's average speed was 1.2 km/h faster than Bella's average speed. What was Bella's average walking speed in km/h? Express the answer in decimal.

3 m

Attempt

DST triangle Average speed Same starting point Same starting time Opposite direction Distance apart Common time More than or less than

75 P6.SP.TL.18012256

Level 3
Allan and Maine were in a roller skating race. Allan was travelling at a constant speed of 20 km/h and they both did not change their speed. When Maine completed half of her race, Allan was 3.5 km ahead. Allan completed the race at 10.45 a.m. What time did Maine complete the race?

3 m

Attempt