Add whole numbers
- Line up place values.
- Add from right to left.
- Carry when a column totals 10 or more.
Answer: 486 + 127 = 613
🔢 Number
Addition
Learn addition with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Addition is part of number and appears often in KS3–GCSE maths.
- Addition combines amounts.
- Use the worked model, help guide, interactive question and flashcards to practise addition until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Addition 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 Addition
- Learn the rule: Addition combines amounts.
- Worked model: Line up place values. Add from right to left. Carry when a column totals 10 or more.
- 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
Calculate 358 + 247.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Addition
BackAddition combines amounts.
FrontExample answer: Calculate 358 + 247.
Back358 + 247 = 605.
FrontCommon check for Addition
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.