Speed, Distance, Time: The Triangle Method | GCSE Maths Grade 4

Speed, distance and time with one small triangle that does all the work. Finding speed, distance and time, minutes into hours, decimal hours back into minutes, km/h to m/s, clock-time questions and average speed for a whole journey. ✅ The D/S/T triangle: cover what you want ✅ 7 worked examples + 3 exam-style questions ✅ The 2 mistakes that cost the most marks (1 h 30 min is NOT 1.3 h!) ✅ Your turn: 3 practice questions with answers Chapters: 0:00 Intro 0:25 Last challenge answer 1:04 What speed means 1:36 The triangle 2:06 The method 2:31 Example 1: finding speed 2:51 Example 2: finding distance 3:18 Example 3: finding time 3:39 Example 4: minutes into hours 4:06 Example 5: hours and minutes 4:32 Example 6: decimal hours 5:02 Example 7: km/h to m/s 5:45 Back to the hook 6:18 Common mistake 1: decimal time 6:45 Common mistake 2: mixed units 7:09 Exam question: average speed 7:49 Exam question: clock times 8:27 Exam question: who is faster? 8:57 Exam tips 9:25 Your turn 9:56 Answers 10:19 Recap 10:40 Challenge & next Challenge: a cyclist rides 18 km in 45 minutes. What is her average speed in km/h? Answer in the next lesson 👇 Subscribe to Maths Level Up: new GCSE lessons every Mon, Wed & Fri, and a daily maths challenge. #GCSEMaths #SpeedDistanceTime #MathsRevision #GCSERevision