GCSE Maths - How to Scale Up Ratios

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*** WHAT'S COVERED ***
1. Understanding scaling up ratios as the opposite of simplifying ratios.
2. How to scale up a ratio by multiplying all parts by the same number.
3. Recognising that scaled-up ratios are equivalent to the original ratio.
4. Solving problems involving scaling up ratios:
* Finding an unknown quantity when one part of the scaled ratio is given.
* Calculating the total amount after scaling up a ratio.
* Scaling up ratios with more than two parts.

*** EXAM BOARD INFO ***
This video is suitable for maths courses around the world.
KS3 - All on your course
GCSE Foundation - All on your course
GCSE Higher - All on your course
A-level - Not on your course

*** CHAPTERS ***
0:00 Intro to Scaling Up Ratios
0:21 Recap: Simplifying Ratios
0:52 Scaling Up Ratios Explained
1:25 Equivalent Ratios
1:40 Example 1: Finding One Quantity
2:45 Example 2: Finding Another Quantity
3:31 Example 3: Finding the Total
4:32 Example 4: Scaling Ratios with Three Parts

*** PLAYLISTS ***










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