Compare Football and Tennis
- Read Football: 9 votes.
- Read Tennis: 4 votes.
- Find the difference: 9 − 4 = 5.
Answer: Football has 5 more votes than Tennis.
📊 Statistics
Bar charts
Read and compare categories using a clear bar chart.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Bar charts compare categories, such as favourite sports.
- Bars should have equal widths and gaps.
- Always read the scale on the vertical axis before answering.
Real-life examples
- Comparing survey results in class.
- Showing sales for different snacks.
2. Visual
Favourite sports survey
3. Help guide
How to tackle Bar charts
- Learn the rule: Bar charts compare categories using bar heights.
- Worked model: Read the axis scale. Find each bar height. Subtract to compare.
- 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
How many votes are there in total?
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontWhat do bar charts compare?
BackThey compare categories.
FrontWhat should you check before reading a bar height?
BackCheck the axis scale.
FrontRule for Bar charts
BackBar charts compare categories using bar heights.
7. Finish
Complete this topic
When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.