Tutorial

Maths

A practical mathematics course covering the essential skills you need for everyday life, financial decisions, and business competency.

Tutorial·Difficulty: Beginner·10 chapters·Updated Apr 19, 2026

Chapters

About this tutorial

A practical mathematics course covering the essential skills you need for everyday life, financial decisions, and business competency.

Contents

ChapterTopicDescription
01Arithmetic FundamentalsBasic operations, fractions, decimals, percentages
02Algebra BasicsVariables, equations, solving for unknowns, formulas
03Ratios & ProportionsRatios, proportions, scales, unit conversions
04Percentage ApplicationsDiscounts, interest, tax, tips, markup vs margin
05Statistics BasicsAverages, distributions, probability, data interpretation
06Financial MathematicsInterest, loans, investments, time value of money
07Business MetricsROI, margins, break-even, growth rates, KPIs
08Geometry & MeasurementArea, volume, perimeter, practical applications
09Estimation & Mental MathQuick calculations, approximation, useful tricks
10Spreadsheets & FormulasExcel/Sheets functions for practical problem-solving

Why This Mathematics Matters

In Life:

  • Making informed financial decisions (loans, savings, investments)
  • Understanding discounts, sales, and value comparisons
  • Managing household budgets and tracking expenses
  • Calculating tips, splitting bills, and unit pricing
  • Understanding statistics in news and research

In Business:

  • Analyzing profitability and costs
  • Making data-driven decisions
  • Understanding financial statements
  • Calculating ROI and business metrics
  • Forecasting and budgeting

Learning Approach

  1. Focus on practical applications: every concept has real-world examples
  2. Build on fundamentals: master basics before moving to more advanced topics
  3. Use tools effectively: learn when to calculate vs when to use spreadsheets
  4. Practice with real numbers: use actual bills, receipts, and business data
  5. Check your work: estimate answers first, then calculate precisely

Quick Wins

Start improving your math competency today:

  • Learn the Rule of 72: quickly estimate investment doubling time
  • Calculate percentages mentally: 10% method, find 10%, then multiply
  • Understand compound interest: the most powerful force in finance
  • Master unit conversions: set up ratios to convert anything
  • Use spreadsheet formulas: automate repetitive calculations

Prerequisites

  • Basic arithmetic (addition, subtraction, multiplication, division)
  • A calculator or smartphone
  • Optionally: Access to Excel, Google Sheets, or similar

Common Myths

❌ "I'm just not a math person". Math is a skill, not a talent.
❌ "I'll never use this in real life". These skills directly impact your wealth.
❌ "Calculators make math unnecessary". Understanding concepts prevents costly errors.
❌ "Business math is too complex". Most business math is just careful arithmetic.

  • Calculator: Your smartphone or a scientific calculator
  • Spreadsheet: Google Sheets (free) or Microsoft Excel
  • Practice: Khan Academy (free math practice)
  • Finance: YNAB, Mint, or similar for tracking real numbers

How to Use This Course

  1. Start with Chapter 01 if you want to build from fundamentals
  2. Jump to specific topics if you need immediate knowledge
  3. Do the practice problems: solutions are provided
  4. Apply immediately: use each chapter's skills in your actual life or business
  5. Review regularly: math skills strengthen with repetition

Remember: Mathematical competency is built through practice, not just reading. Work through examples with pen and paper or a calculator.