Direct Proportion/Variation

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Definition 
Courtesy: Online Math Learning 
​https://www.onlinemathlearning.com
https://www.onlinemathlearning.com/direct-variation.html
https://www.onlinemathlearning.com/direct-inverse-proportion.html

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Video I - Modeling with Direct Variation
Courtesy: ThinkwellVids
https://www.youtube.com/c/ThinkwellVids

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Video II - Direct Variation
Courtesy: ThinkwellVids
https://www.youtube.com/c/ThinkwellVids

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Video III - What is Direct Variation? Part 1 | Don't Memorise
Courtesy: Don't Memorise
http://bit.ly/DontMemoriseYouTube
https://infinitylearn.com/microcourse...

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Video IV - Direct Variation
​Courtesy: Anywhere Math
https://www.youtube.com/c/AnywhereMath

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Video V - Direct Variation
​Courtesy: Mathispower4u
http://mathispower4u.wordpress.com/
https://www.youtube.com/c/Mathispower4u

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Video VI - Direct Variation and Partial Variation - Nerdstudy
Courtesy: Nerdstudy
https://www.youtube.com/c/Nerdstudy

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Video VII - Direct proportion (using formulas)| GCSE Maths Level 4-9 | ExamSolutions
Courtesy: ExamSolutions
https://www.examsolutions.net
https://www.youtube.com/ExamSolutions

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Practice Questions 
Courtesy: Math is Fun
​https://www.mathsisfun.com
https://www.mathsisfun.com/algebra/directly-inversely-proportional.html

Proportions - Math is Fun

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