Explain the multiplier method for calculating percentage increases.
GCSE Maths - Percentage Increase and Decrease (Multiplier Method) #93
Interactive Video
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Mathematics
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6th - 7th Grade
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Hard
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This video tutorial explains how to calculate percentage increases and decreases using two methods: a simple, intuitive technique and a more advanced multiplier method. It covers step-by-step examples for both increasing and decreasing values by a percentage, including real-world applications like discounts. The tutorial also highlights common mistakes and special cases, such as handling percentage changes less than 10% or more than 100%.
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3 questions
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OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the new mass when increasing 450g by 18%?
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3 mins • 1 pt
How do you calculate a decrease of 320 by 30%?
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