How to Round Numbers to Significant Figures (2026/27 exams)

 

⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Identifying significant figures in numbers. 2. How to round numbers to a specific number of significant figures. * Identifying the digit to round (the 'last digit'). * Using the next digit (the 'decider'). 3. The potential ambiguity of trailing zeros in integers. *** EXAM BOARD INFO *** Suitable for courses across the world, including all KS3 and GCSE courses in the UK. *** CHAPTERS *** 0:00 Introduction 0:12 What Are Significant Figures? 1:02 Counting Significant Figures 1:50 The Rounding Process & Example 1: Rounding an Integer 3:14 Example 2: Rounding a Decimal 4:08 Ambiguity with Trailing Zeros *** PLAYLISTS *** https://youtube.com/playlist?list=PLidqqIGKox7XPh1QacLRiKto_UlnRIEVh&si=orIUwL3o2jOoiYjT https://youtube.com/playlist?list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g&si=DcihOwUkd9oWbbdp https://youtube.com/playlist?list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W&si=Y8MsO-FK948jnxpS https://youtube.com/playlist?list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7&si=-7i5Iq7yOeJrhtu6 https://youtube.com/playlist?list=PLidqqIGKox7VKJD2WxRhoKaI6JGLVean8&si=NH_Q1ujhVgACM2FU #GCSE #KS3 #Maths #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #AP