Question:

Level 2 PSLE

Elsa and Ana started jogging from the same place in opposite directions along a straight path. They jogged for 40 minutes. At the end of the jog, they were 7 km apart. Elsa's average speed was 6 km/h. What was Ana's average speed in km/h?

2 m
Elsa and Ana started jogging from the same place in opposite directions along a straight path. They jogged for 40 minutes. At the end of the jog, they were 7 km apart. Elsa's average speed was 6 km/h. What was Ana's average speed in km/h?

Level 2

Martin and Ervin started together from the same bus-stop and ran along a track at the speed of 11 km/h and 7 km/h respectively. How far apart would they be in 15 minutes? Express the answer in km.

2 m
Martin and Ervin started together from the same bus-stop and ran along a track at the speed of 11 km/h and 7 km/h respectively. How far apart would they be in 15 minutes? Express the answer in km.

Level 3 PSLE

When Lance started cycling from his home, Kenneth was 120 m ahead. Lance's cycling speed was 5 m/s and Kenneth's cycling speed was 2 m/s. They went in the same direction and did not change their speeds throughout. What distance would Lance have cycled when he caught up with Kenneth?

2 m
When Lance started cycling from his home, Kenneth was 120 m ahead. Lance's cycling speed was 5 m/s and Kenneth's cycling speed was 2 m/s. They went in the same direction and did not change their speeds throughout. What distance would Lance have cycled when he caught up with Kenneth?

Level 2

Tony drove a distance of 15 km in 10 minutes.

3 m
Tony drove a distance of 15 km in 10 minutes.

- What was his speed in km/h?
- How long will it take him to cover 360 km at this speed? Express the answer in hours.

Level 2

A van covers a distance of 45 km in 25 minutes.

3 m
A van covers a distance of 45 km in 25 minutes.

- At what speed is it travelling?
- How long will it take to cover a distance of 36 km?

Level 3

Sam took 2 hours to walk from Building A to Building B which was 6 km away. On his way back from Building B to Building A, he increased his average walking speed by 1 km/h. How long did he take for his journey back?

3 m
Sam took 2 hours to walk from Building A to Building B which was 6 km away. On his way back from Building B to Building A, he increased his average walking speed by 1 km/h. How long did he take for his journey back?

Level 3

Jake walks to school at an average speed of 4 km/h every day. One day, after walking a distance of 1 km, he realised that his watch was slow. So, he ran at a constant speed and managed to reach his school just on time. Later, he calculated that if he had run at this speed right from the start of the journey, he would have reached his school 5 minutes earlier. What was his running speed?

3 m
Jake walks to school at an average speed of 4 km/h every day. One day, after walking a distance of 1 km, he realised that his watch was slow. So, he ran at a constant speed and managed to reach his school just on time. Later, he calculated that if he had run at this speed right from the start of the journey, he would have reached his school 5 minutes earlier. What was his running speed?

Level 3

Ryan drove at an average speed of 70 km/h for the first 2 hours of the journey. He then increased his average speed by 15 km/h and drove for another 3 hours until he reached his town. Find his average speed for the whole journey.

3 m
Ryan drove at an average speed of 70 km/h for the first 2 hours of the journey. He then increased his average speed by 15 km/h and drove for another 3 hours until he reached his town. Find his average speed for the whole journey.

Level 3

Jesse left home at 6.15 a.m. and drove towards the mountain which was 802 km away. For the first 210 km, she was travelling at 70 km/h. Then she increased her speed by 4 km/h and completed the remaining journey.

3 m
Jesse left home at 6.15 a.m. and drove towards the mountain which was 802 km away. For the first 210 km, she was travelling at 70 km/h. Then she increased her speed by 4 km/h and completed the remaining journey.

- How long did she take for her whole journey?
- At what time did she reach the mountain?

Level 3

Jimmy drove at an average speed of 72 km/h for 4 hours. He then reduced his average speed by 18 km/h and continued for another 5 hours before he reached his destination. Find his average speed for the whole journey.

3 m
Jimmy drove at an average speed of 72 km/h for 4 hours. He then reduced his average speed by 18 km/h and continued for another 5 hours before he reached his destination. Find his average speed for the whole journey.