Square numbers
- Read the base.
- Multiply it by itself.
- Memorise common square numbers.
Answer: 12² = 144
🔢 Number
Square numbers
Learn square numbers with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Square numbers is part of number and appears often in KS3–GCSE maths.
- A square number is made by multiplying an integer by itself.
- Use the worked model, help guide, interactive question and flashcards to practise square numbers until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Square numbers 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 Square numbers
- Learn the rule: A square number is made by multiplying an integer by itself.
- Worked model: Read the base. Multiply it by itself. Memorise common square numbers.
- 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
What is 9²?
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Square numbers
BackA square number is made by multiplying an integer by itself.
FrontExample answer: What is 9²?
Back9² = 9 × 9 = 81.
FrontCommon check for Square numbers
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.