Density, mass and volume
- Choose the correct formula.
- Substitute mass and volume.
- Write compound units.
Answer: 300 g ÷ 100 cm³ = 3 g/cm³
⚖️ Ratio, Proportion & Rates
Volume
Learn volume with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Volume is part of measures & money and appears often in KS3–GCSE maths.
- Density = mass ÷ volume.
- Use the worked model, help guide, interactive question and flashcards to practise volume until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Volume 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 Volume
- Learn the rule: Density = mass ÷ volume.
- Worked model: Choose the correct formula. Substitute mass and volume. Write 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 block has mass 200 g and volume 50 cm³. Find its density.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Volume
BackDensity = mass ÷ volume.
FrontExample answer: A block has mass 200 g and volume 50 cm³. Find its density.
Back200 ÷ 50 = 4 g/cm³.
FrontCommon check for Volume
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.