Questions

From Worst to Best

1 P6.SP.TL.18012204

Level 2
A subway train travelled 900 km from Station A to Station B at an average speed of 150 km/h. It then moved on to Station C which is 500 km away at an average speed of 120 km/h. Find the time taken for the whole journey. Express the answer as a mixed fraction in h.

2 m

Attempt

2 P6.SP.TL.18012205

Level 2
A train travelled 900 km from City A to City B at an average speed of 150 km/h. It then travelled 500 km to City C at an average speed of 120 km/h. Find the time taken for the whole journey. Express the answer in h and min.

2 m

Attempt

DST triangle Average speed Journey by parts Different speed Duration

3 P6.SP.TL.18012206

Level 2
A race car travelled ²₅ of its journey at an average speed of 64 km/h. Find its average speed for the remaining 480 km if its average speed for the whole journey was 80 km/h.

2 m

Attempt

DST triangle Average speed Journey by parts Different speed Fraction of a whole Units method

4 P6.SP.TL.18012207

Level 2
An airplane flew 9000 km from Country X to Country Y at a speed of 450 km/h. It then covered 4900 km from Country Y to Country Z at a speed of 350 km/h. Find the time taken for the whole journey.

2 m

Attempt

DST triangle Average speed Journey by parts Different speed Duration

5 P6.SP.TL.18012214

Level 2
Kim ran 30 minutes at the speed of 10 km/h. She then continued at the speed of 8 km/h for 45 minutes. How far did she run?

2 m

Attempt

DST triangle Average speed Journey by parts Different speed Distance apart Unit conversion Duration

6 P6.SP.TL.18012210

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

Attempt

DST triangle Average speed Journey by parts Different speed Duration More than or less than

7 P6.SP.TL.18012235

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.

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

3 m

Attempt

DST triangle Average speed Journey by parts Different speed Start end time

8 P6.SP.TL.18012238

Level 3
A coach driver drove the first 4 h of a journey at an average speed 64 km/h. Driving at an average speed of 90 km/h, he then took another 5 h to complete his remaining journey. Find his average speed for the whole journey. Give the answer in mixed number.

3 m

Attempt

DST triangle Average speed Journey by parts Different speed Duration Mixed numbers

9 P6.SP.TL.18012260

Level 3
Ben drove at an average speed of 84 km/h for 45 minutes. He then reduced his average speed by 6 km/h and drove a further 30 minutes before he reached his house. Find the total distance covered by Ben.

3 m

Attempt

Journey by parts Different speed Distance apart Unit conversion Duration More than or less than

10 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

Attempt