I Used To Know That: Maths

I Used To Know That: Maths Is A Friendly, Practical Refresher Designed For Adults Who Want To Reawaken Essential Math Skills And For Anyone Helping Kids With Homework. From Mental Arithmetic To Percentages And Trigonometry Basics, This Light-Hearted Guide Makes Math Approachable, Empowering Readers To Tackle Everyday Numbers With Confidence. 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, Avera