The value of k will be the same for all values of a and b and so it can be found by substituting in values for a and b. Some of the worksheets displayed are aqa ocr edexcel gcse gcse maths, edexcel gce core mathematics c2 required knowledge, edexcel gce mechanics m1 required knowledge information, gcse 9 1 combined science, mathematics linear 1ma0 percentages, gcse 9 1. C \propto \dfrac1d, which reads like c is inversely proportional to d, which is the same as saying c is directly proportional to \frac1. Inverse proportion worksheet 1 offers a step by step process finding the constant k when k is positive. The corbettmaths practice questions on direct and inverse proportion. Not intended to stretch massively as the group are grade bc students. The weight of a piece of wire is directly proportional to its length. These free unit rate worksheets will help you find unit rates by setting up and solving proportions. Inverse proportion worksheet 2 contains sketching graphs questions and answers. Whether you want a homework, some cover work, or a. Direct proportionality if two quantities, a and b, are directly proportional, then as one increases the other also increases at the same rate, e. A collection of 91 maths gcse sample and specimen questions from aqa, ocr, pearsonedexcel and wjec eduqas. Gcse proportionality questions worksheets teaching resources. Mark 8 % 1 if 1 person takes 7 days to pick the apples from a tree, how many days will it take 7 people to do the same job.
This worksheet is designed to cover one question of each type seen in past papers, for each. Partitive proportion lets practice solve the following problems. The cost of a circular table is directly proportional to the square of the radius. Gcse maths revision direct and inverse proportion questions. Understanding inverse proportion worksheet gcse maths. If two quantities, c and d, are inversely proportional, then as one increases the other decreases at the same rate, e. Edexcel gcse mathematics linear 1ma0 direct and inverse. The second set of rate worksheets will help students solve proportions that contain fractions. Direct and inverse proportion questions worksheets and. Each math worksheet is accompanied by an answer key, is printable, and can be customized to fit your needs. The first set of rate problems is restricted to whole numbers. Proportion explored direct proportion, inverse proportion and more complicated relations involving powers. To express this, we use the proportionality symbol, \propto, and write.
A piece of wire is 25 cm long and has a weight of 6 grams. These worksheets cover everything you need up to gcse on direct and inverse proportion and include all answers. Inverse proportion worksheets for gcse higher working at grade 8. If a is proportional to b which is the same as a is in direct proportion with b then as b increases, a increases. Word questions involving crop yield, extension of elastic band and the declining value of cars. Direct and inverse proportion practice questions corbettmaths.
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