Histogram frequency
- Find class width.
- Read frequency density.
- Multiply to get frequency.
Answer: Width 5 and density 2 gives frequency 10
📊 Statistics
Histograms
Learn histograms with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Histograms is part of statistics and appears often in KS3–GCSE maths.
- In histograms, frequency is bar area.
- Use the worked model, help guide, interactive question and flashcards to practise histograms until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Histograms 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 Histograms
- Learn the rule: In histograms, frequency is bar area.
- Worked model: Find class width. Read frequency density. Multiply to get frequency.
- 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 histogram bar has class width 4 and frequency density 3. Find the frequency.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Histograms
BackIn histograms, frequency is bar area.
FrontExample answer: A histogram bar has class width 4 and frequency density 3. Find the frequency.
Back4 × 3 = 12.
FrontCommon check for Histograms
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.