22.3.1 Numerical and algebraic calculations
- Syllabus
- 0610–2026–2027
- Objective
- 22.3.1
- Level
- —
22.3.1 Numerical and algebraic calculations
- Add, subtract, multiply and divide; use decimals, fractions, ratios, reciprocals, percentages, percentage change and standard form; round to appropriate decimal places or significant figures; use direct and inverse proportion; solve simple equations and substitute quantities into formulas.
ConceptIGCSE Biology