Percentage Increase and Decrease – GCSE Maths Revision | Beat the Clock (WJEC Higher)

Can you work out these percentage changes before the timer runs out? ⏱️ I’ll show you how to use a multiplier, then it’s your turn: 5 quick questions, 5 harder ones finding the percentage change, a sneaky one that catches loads of students out, and finally a real WJEC GCSE exam question. Every question changes just one thing from the one before, so you can see exactly what makes each one different. Pause the video if you need more time! ⏱️ Chapters 0:00 Intro [0:23] Worked example: increase £80 by 15% [3:51] Round 1 – your turn (60 seconds) [5:51] Level up: finding the percentage change [6:25] Worked example: £80 rises to £92 [7:56] Round 2 – your turn (75 seconds) [10:19] The sneaky one: spot the mistake [11:37] Real WJEC exam question (November 2018) [13:55] Worked solution WJEC GCSE Maths · Higher tier · Calculator #GCSEMaths #WJEC #GCSERevision