Number (Cambridge (CIE) O Level Maths) Get ready for your Cambridge (CIE) O Level Maths exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.
Number Toolkit Types of Number Irrational Numbers Negative Numbers Mathematical Operations Order of Operations (BIDMAS/BODMAS) Addition & Subtraction Multiplication & Division Operations with Decimals Set Notation & Venn Diagrams Set Notation & Venn Diagrams Prime Factors, HCF & LCM Prime Factor Decomposition Uses of Prime Factor Decomposition HCF & LCM Powers, Roots & Standard Form Powers & Roots Laws of Indices Converting to & from Standard Form Operations with Standard Form Fractions Toolkit Introduction to Fractions Fractions of Amounts Equivalent & Simplified Fractions Mixed Numbers & Improper Fractions Adding & Subtracting Fractions Multiplying & Dividing Fractions Percentages Toolkit Basic Percentages Percentage Increases & Decreases Reverse Percentages Simple & Compound Interest, Growth & Decay Simple Interest Compound Interest Depreciation Exponential Growth & Decay Surds Simplifying Surds Rationalising Denominators Fractions, Decimals & Percentages Converting Fractions, Decimals & Percentages Recurring Decimals Ordering Fractions, Decimals & Percentages Ratio & Proportion Introduction to Ratios Equivalent & Simplified Ratios Sharing in a Ratio Problem Solving with Ratios Working with Proportion Compound Measures Compound Measures Speed, Density & Pressure Time, Currency & Conversions Time Money Calculations Exchange Rates Rounding, Estimation & Bounds Rounding to a Given Place Value Rounding to Significant Figures Estimation Upper & Lower Bounds Using a Calculator Using a Calculator Number Toolkit Calculator Questions Non-Calculator Questions Set Notation & Venn Diagrams Exam Questions Non- Calculator Questions Prime Factors, HCF & LCM Calculator Non Calculator Powers, Roots & Standard Form Calculator Non Calculator Fractions Toolkit Exam Questions Percentages Toolkit Calculator Non Calculator Simple & Compound Interest, Growth & Decay All Questions Fractions, Decimals & Percentages Calculator Non Calculator Ratio & Proportion Calculator Non Calculator Compound Measures Calculator Non Calculator Time, Currency & Conversions Calculator Non Calculator Rounding, Estimation & Bounds Calculator Non Calculator Using a Calculator Calculator Cambridge (CIE) O Level Maths Past Papers