Speed, distance and time
- Write the formula triangle: speed = distance ÷ time.
- Substitute the values.
- Include compound units.
Answer: 120 miles in 4 hours = 30 mph
⚖️ Ratio, Proportion & Rates
Speed
Learn speed with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Speed is part of measures & money and appears often in KS3–GCSE maths.
- Speed = distance ÷ time, distance = speed × time, time = distance ÷ speed.
- Use the worked model, help guide, interactive question and flashcards to practise speed until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Speed learning map
Understand the key idea → follow the help guide → practise a question → check your method → build speed with flashcards.
3. Help guide
How to tackle Speed
- Learn the rule: Speed = distance ÷ time, distance = speed × time, time = distance ÷ speed.
- Worked model: Write the formula triangle: speed = distance ÷ time. Substitute the values. Include compound units.
- Try the interactive question without looking at the answer first.
- Use the flashcards to test the rule, the method and a common check.
4. Worked examples
Step-by-step working
5. Interactive questions
Try it yourself
A car travels 150 km in 3 hours. What is its speed?
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Speed
BackSpeed = distance ÷ time, distance = speed × time, time = distance ÷ speed.
FrontExample answer: A car travels 150 km in 3 hours. What is its speed?
Back150 ÷ 3 = 50, so the speed is 50 km/h.
FrontCommon check for Speed
BackCheck units/notation, compare with an estimate, and make sure the answer matches the question.
7. Finish
Complete this topic
When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.