Year 9 Speed, Distance and Time Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 9 ratio & rates worksheet.
Year 9 Speed, Distance and Time Worksheet — Level 1 — Practice Set 4 — Answers
Use speed = distance ÷ time, distance = speed × time and time = distance ÷ speed. Change minutes to hours (÷ 60) before calculating.
1.Leo travels 135 km in 3 hours. What is the average speed in km/h?
Answer: 45 km/h
- time = 3 h
- speed = distance ÷ time = 135 ÷ 3
- = 45 km/h
2.Oliver travels 300 km in 4 hours. What is the average speed in km/h?
Answer: 75 km/h
- time = 4 h
- speed = distance ÷ time = 300 ÷ 4
- = 75 km/h
3.Hunter travels 575 km in 5 hours. What is the average speed in km/h?
Answer: 115 km/h
- time = 5 h
- speed = distance ÷ time = 575 ÷ 5
- = 115 km/h
4.Noah travels 230 km in 2 hours. What is the average speed in km/h?
Answer: 115 km/h
- time = 2 h
- speed = distance ÷ time = 230 ÷ 2
- = 115 km/h
5.A car travels 115 km at an average speed of 115 km/h. How long does the trip take?
Answer: 1 hour
- time = distance ÷ speed = 115 ÷ 115
- = 1 h = 1 hour
6.A train travels at 40 km/h for 3 hours. How far does it travel?
Answer: 120 km
- time = 3 h
- distance = speed × time = 40 × 3
- = 120 km
7.Archie travels 170 km in 2 hours. What is the average speed in km/h?
Answer: 85 km/h
- time = 2 h
- speed = distance ÷ time = 170 ÷ 2
- = 85 km/h
8.Grace travels 180 km in 4 hours. What is the average speed in km/h?
Answer: 45 km/h
- time = 4 h
- speed = distance ÷ time = 180 ÷ 4
- = 45 km/h
9.A car travels 270 km at an average speed of 90 km/h. How long does the trip take?
Answer: 3 hours
- time = distance ÷ speed = 270 ÷ 90
- = 3 h = 3 hours
10.A car travels 130 km at an average speed of 65 km/h. How long does the trip take?
Answer: 2 hours
- time = distance ÷ speed = 130 ÷ 65
- = 2 h = 2 hours
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.