6.4 Travel Graphs: Distance–Time and Speed–Time

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Travel graphs tell the story of a journey. Learn to read distance–time and speed–time graphs, work out speed and acceleration, and find the distance travelled from the area under a graph. You will learn: • Distance–time graphs: gradient = speed, flat line = stopped • Average speed = total distance ÷ total time (not the average of the speeds!) • Speed–time graphs: gradient = acceleration or deceleration • A flat line on a speed–time graph means steady speed, not stopped • Area under a speed–time graph = distance travelled • Telling the two graphs apart • Practice questions with full answers This is lesson 4 of 7 in Chapter 6: Graphs 6.1 Line segments 6.2 Straight-line graphs 6.3 Parallel and perpendicular lines 6.4 Travel graphs (this lesson) 6.5 Quadratic graphs 6.6 Gradient of a curve 6.7 Graphical solutions of equations © 2026 teachly.lk. All rights reserved. This lesson and its animations are original teachly.lk content. Please do not copy, download, re-upload or share it outside teachly.lk without permission. teachly.lk is an independent learning resource and is not affiliated with Cambridge Assessment International Education.

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