Year 9 Speed, Distance and Time Worksheet — Level 2 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 9 ratio & rates worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Ratio & RatesYear 9 Speed, Distance and Time Worksheet — Level 2 — Practice Set 3 — Answers
Use speed = distance ÷ time, distance = speed × time and time = distance ÷ speed. Change minutes to hours (÷ 60) before calculating.
1.A car travels 56.25 km at an average speed of 45 km/h. How long does the trip take?
Answer: 1 hour 15 minutes
- time = distance ÷ speed = 56.25 ÷ 45
- = 1.25 h = 1 hour 15 minutes
2.Layla travels 35 km in 30 minutes. What is the average speed in km/h?
Answer: 70 km/h
- time = 0.5 h
- speed = distance ÷ time = 35 ÷ 0.5
- = 70 km/h
3.Max travels 150 km in 2 hours 30 minutes. What is the average speed in km/h?
Answer: 60 km/h
- time = 2.5 h
- speed = distance ÷ time = 150 ÷ 2.5
- = 60 km/h
4.A train travels at 105 km/h for 45 minutes. How far does it travel?
Answer: 78.75 km
- time = 0.75 h
- distance = speed × time = 105 × 0.75
- = 78.75 km
5.Zoe travels 17.5 km in 30 minutes. What is the average speed in km/h?
Answer: 35 km/h
- time = 0.5 h
- speed = distance ÷ time = 17.5 ÷ 0.5
- = 35 km/h
6.A car travels 47.5 km at an average speed of 95 km/h. How long does the trip take?
Answer: 30 minutes
- time = distance ÷ speed = 47.5 ÷ 95
- = 0.5 h = 30 minutes
7.Chloe travels 270 km in 3 hours. What is the average speed in km/h?
Answer: 90 km/h
- time = 3 h
- speed = distance ÷ time = 270 ÷ 3
- = 90 km/h
8.A car travels 172.5 km at an average speed of 115 km/h. How long does the trip take?
Answer: 1 hour 30 minutes
- time = distance ÷ speed = 172.5 ÷ 115
- = 1.5 h = 1 hour 30 minutes
9.A train travels at 95 km/h for 2 hours 30 minutes. How far does it travel?
Answer: 237.5 km
- time = 2.5 h
- distance = speed × time = 95 × 2.5
- = 237.5 km
10.A car travels 12.5 km at an average speed of 25 km/h. How long does the trip take?
Answer: 30 minutes
- time = distance ÷ speed = 12.5 ÷ 25
- = 0.5 h = 30 minutes
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
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