I Used To Know That: Maths

Written As A Series Of Short, Approachable Lessons, I Used To Know That: Maths Walks You Through Concepts With Clear Explanations, Simple Steps, And Worked Examples. It Invites You To Practice With Bite-Sized Exercises And Quick Checks, While Highlighting How Math Shows Up In Daily Life—From Shopping Totals To Calculating Tips And Decoding Ratios. The Pace Is Calm And Encouraging, Designed To Remove Fear And Keep Learning Enjoyable.

With I Used To Know That: Maths As Your Companion, This Guide Becomes A Friendly Teacher You Can Rely On. If You’Re Refreshing Long-Forgotten Skills Or Building A Solid Foundation In Topics Like Mental Arithmetic, Percentages, Averages, And Recurring Decimals, You’Ll Also Find Approachable Guidance On Trig Basics—Pythagoras’ Theorem, Triangle Areas, And Angles—Presented In Plain Language With Practical, Real-World Relevance. This Isn’T Dry Theory; It’S A Confident, Upbeat Companion That Helps You See The Logic Behind The Numbers And Apply It With Ease.

• Key Topics Covered: Mental Arithmetic, Percentages, Averages, Recurring Decimals, And Basic Trigonometry Including Pythagoras’ Theorem, Triangle Areas, And Angles
• Engaging Format: Short Lessons, Clear Explanations, Worked Examples, And Practical Exercises
• Learning Outcomes: Rebuild Confidence, Sharpen Everyday Problem-Solving, And Perform Common Calculations With Ease
• Writing Style: Warm, Approachable, And Reassuring—Designed To Feel Like A Conversation With A Patient Tutor

With I Used To Know That: Maths By Your Side, You Gain Practical Skills You Can Rely On For Daily Life, From Budgeting To Homework Help. You’Ll Finish With A Calmer Relationship With Numbers, A Boost In Confidence, And The Ability To Think Through Problems Rather Than Fear Them. This Book Isn’T Just About Numbers; It’S A Trusted Companion That Helps You See Value In Math Again.