GCSE Maths (Edexcel)

435 videos | 33 hours

Scaling Ratios

Please subscribe to watch this video.

This, and all other videos, are included in our premium subscriptions.

Premium accounts get access to all videos.

Ratio, Proportion and Rates of Change Ratio, Proportion and Rates of Change

Scaling Ratios

3:41 Manipulating Ratios
Spec R4 R5 R6
Previous Introduction to Ratios Next Simplifying Ratios
  • Ratios can be written in different ways
  • Ratios can be scaled by multiplying or dividing both sides by the same value
  • Scaling a ratio creates an equivalent ratio
  • Rewriting a ratio is an important step in longer ratio exam questions
  • Example: ratio of 2 to 3 can be scaled up to 12 to 18
  • Example: lemonade recipe uses 2 jugs of water and 3 lemons
  • Example: if using 8 jugs of water, 12 lemons are needed

Please subscribe to access these revision notes.

This, and all other video notes, are included in our premium subscriptions.

Premium accounts get access to all videos and revision notes.