Key Concepts in Standard Form
- Writing numbers in standard form
- Converting from standard form
- Multiplying in standard form
- Dividing in standard form
- Adding and subtracting in standard form
Exam Tips for Standard Form
- 💡Standard form: a × 10ⁿ where 1 ≤ a < 10
- 💡When multiplying, multiply the coefficients and add the powers
- 💡Check your calculator is in standard form mode for large number questions
Exam Board Coverage
Standard Form appears on all major GCSE Maths exam boards at both Foundation and Higher tier.
AQA
Edexcel
OCR
Frequently Asked Questions
What is standard form?
Standard form (scientific notation) writes numbers as a × 10ⁿ where a is between 1 and 10. E.g. 3,400,000 = 3.4 × 10⁶.
How do I multiply numbers in standard form?
Multiply the coefficients together and add the powers of 10. E.g. (2 × 10³) × (4 × 10²) = 8 × 10⁵.