WebbAn illustration of quantities in direct proportion. Adjust the dark grey slider to select the cost of 1 metre of rope. Now in this example, the cost of a piece of rope is directly proportional to its length. The longer the rope, the more it will cost. WebbRatio & Proportion (Pre-GCSE) KS3/4 :: Number :: Ratio & Proportion (Used for Tiffin Year 9 scheme of work) (a) Methods for solving problems involving direct and indirect proportion, including the unitary method (but not quadratic/cubic/root relationships). (b) Problems involving ratio. (c) Extension: 3 way relationships, e.g.
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WebbProportionality can be used to set up an equation. There are four steps to do this: write the proportional relationship convert to an equation using a constant of proportionality use … WebbGCSE Maths Author: OCR Keywords: GCSE (9-1) Mathematics, check in Foundation Check In 5.02 Direct inverse proportion Last modified by: Caroline Hodgson Created Date: 6/14/2016 7:18:00 AM Company: Cambridge Assessment Other titles: GCSE (9-1) Mathematics check in - Foundation Check In - 5.02 Direct and inverse proportion cheeki coffee cups
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WebbA video revising the techniques and strategies for solving direct and inverse proportion problems. (Higher Only).This video is part of the Ratio & Proportion... WebbAn inverse proportional relationship follows the rule: where k is a constant multiplier if y = 10 when x — 2 we can find k: 10-k k = 20 The formula is therefore: WebbProportionality relationship Graph letter y is directly proportional to x y is inversely proportional to x y is directly proportional to x2 y is inversely proportional to x2. 2 a is … cheeki cromer