Directinverseproportionhighergcsequestionsstandard. Download direct and inverse proportion questions and answers book pdf free download link or read online here in pdf. Worksheets are direct proportion, solving proportion word problems, nat 03, direct and indirect proportions, answer each question and round your answer to the nearest, proportions word problems, direct and inverse variation work 4, proportions word problems. Direct and inverse proportions is there a difference between. Inverse proportion worksheet 3 offers more advanced problems involving x squared, x cubed and the square and cube root of x. Direct and inverse proportion practice questions corbettmaths.
A car uses petrol at the rate of 1 gallon for every 30 miles travelled 30 mpg. Inverse proportion worksheets for gcse higher working at grade 8. In this case, if y 1, y 2 are the values of y corresponding to the values x 1, x 2 of x respectively, then x 1 y 1 x 2 y 2 or xy xy 11 22 quantities increasing or decreasing together need not always be in direct proportion, same in the case of inverse proportion. Inverse proportion synonyms, inverse proportion pronunciation, inverse proportion translation, english dictionary definition of inverse proportion. Gcse 1 9 direct and inverse proportion book pdf free download link or read online here in pdf. Corbettmaths videos, worksheets, 5aday and much more. Gcse maths revision direct and inverse proportion a video revising the techniques required to solve questions at higher gcse maths level on direct and inverse indirect proportion. 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. Direct proportions, indirect proportions, inverse proportions, variations, how to solve direct proportions variations and inverse proportions inverse variations problems with examples and step by step solutions. Gcse maths 91 direct and inverse proportion teaching. If y 126 when a 7, find an equation relating y and a.
Direct and inverse proportion 8300 foundation ratio, proportion and rates of change topic. Mar 07, 2020 created especially for gcse 91 edexcel maths. Yes i am a teacher and i do the videos for free in my free time why do you ask. Can your students solve a tricky gcse question on direct proportion. 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. Please message if you are interested in worked solutions.
This worksheet contains worked examples of both direct and inverse proportions followed by worded questions relating the subject to real life scenarios. Exponential growth and decay higher direct and inverse. Diagrams are not accurately drawn, unless otherwise. The reason for this is that the obvious answers are not correct, so the problem although simple from a mathematical standpoint seems. Also, two quantities x and y in direct proportion if they increase decrease together in such a manner that the ratio of their corresponding values. Word problems on direct and inverse proportion practice. In this worksheet, we will learn how to use direct proportion to work out problems. Direct proportion worksheets practice questions and answers. If q 5 when e 2, find an equation relating q and e. Direct and inverse proportion questions worksheets and.
The latest edition of my gcse maths question of the week series is a lovely direct proportion question provided exclusively for my diagnostic questions website by aqa. Edexcel gcse mathematics linear 1ma0 direct and inverse. Search results for mental math grade 4 4th grade math worksheets, free math. Videos, games, activities and worksheets that are suitable for gcse maths. In this lesson, we will learn how to answer questions on direct and inverse proportion. When l 2, m 160 find the value of m when l 3 2 m 540 y is directly proportional to x. Lets solve some word problems on direct and inverse proportion. Gcse aqa, ocr, edexcel gcse maths proportionality questions name. There are 5 questions on direct proportion, and 2 on inverse. Clonedcopied questions from previous 91 edexcel gcse exams.
The reason for this is that the obvious answers are not correct, so the problem although simple from a mathematical standpoint seems to be a perplexing brainteaser. Jan 23, 2017 can your students solve a tricky gcse question on direct proportion. Direct proportion worksheets practice questions and. Read each question carefully before you begin answering it. Direct and inverse proportion all resources for 3 year route map. Clonedcopied questions from previous 91 aqa gcse exams. This video explains the idea behind direct and inverse proportion with a focu. We are working hard on a new platform for setting, building and monitoring homework. Direct inverse proportion higher gcse questionsstandard.
Diagrams are not accurately drawn, unless otherwise indicated. Direct proportion worksheets for year 11 working at grade 8 for 91 gcse maths in the uk national curriculum. All books are in clear copy here, and all files are secure so dont worry about it. In this worksheet, students study direct proportion. Displaying all worksheets related to direct proportion word problems. To begin, we observe that it is a case of direct proportion since the more hours we spend the more kilometers the train will run. There are 5 questions on direct proportion, and 2 on inverse proportion. Gcse maths revision direct and inverse proportion youtube. Inverse proportion worksheet 2 contains sketching graphs questions and answers. However, the content is suitable no matter which exam board you are following. Recognise and interpret graphs that illustrate direct and inverse proportion the subject content above matches that set out in the department for educations mathematics gcse subject content and assessment objectives document. Direct proportion and inverse proportion onlinemath4all. Mathswatch clip 199 direct and inverse proportion grade 7 answers 1 m is directly proportional to l3 mathswatch answers direct and inverse proportion.
Direct and inverse proportion proportion is used to show how quantities and amounts are related to each other. About direct proportion and inverse proportion direct proportion and inverse proportion is one of the important topics in school level math. Direct and inverse proportion direct and inverse proportion. Answer the questions in the spaces provided there may be more space than you need. These worksheets cover everything you need up to gcse on direct and inverse proportion and include all answers. First let us come to know what is direct proportion. Direct and inverse proportion paper 1 q7 edexcel gcse maths. Past paper exam questions organised by topic for edexcel gcse maths. Inverse proportion worksheet 1 offers a step by step process finding the constant k when k is positive. Apr 04, 20 the corbettmaths video tutorial on direct proportion. There is a direct proportion between two values when one is a multiple of the other.
And there is no competitive exam without questions from direct and inverse proportion. Dec 06, 2015 this video explains the idea behind direct and inverse proportion with a focu. Dfm is a huge bank of free educational resources for teaching mathematics, with full sets of slides, worksheets, games and assessments that span year 7 to further maths and enrichment resources with a maths challengeolympiad focus. This website and its content is subject to our terms and conditions. The amount that quantities change in relation to each other is governed by proportion. Readytouse mathematics resources for key stage 3, key stage 4 and gcse maths classes. Direct and inverse proportion igcse exam questions youtube. Direct and inverse proportion revision along with proportionality resources. We can say two quantities x and y in direct proportion if they increase decrease together in the same manner. Direct and inverse proportion 8300 higher ratio, proportion and rates of change. Direct proportion worksheets for year 11 working at grade 8 for gcse maths in the uk. Gcse 1 9 direct and inverse proportion book pdf free download link book now.
Our mission is to provide a free, worldclass education to anyone, anywhere. Home gcse study tools mathematics direct and inverse proportion. Inverse proportion definition of inverse proportion by the. Direct and inverse proportion higher gcse 91 teaching. The cat and mouse problem typically appears as a brainteaser or puzzle, rather than as a math problem. Pencil, pen, ruler, protractor, pair of compasses and eraser you may use tracing paper if needed guidance 1. Direct and inverse proportions 205 as the length of cloth increases, cost of the cloth also increases in the same ratio. Direct and inverse proportion flashcards in gcse mathematics. Inverse proportion worksheets practice questions and. The corbettmaths practice questions on direct and inverse proportion. Gcse maths revision direct and inverse proportion questions author. Choose maths made easy for maths questions and worksheets. With an edplace account youll be able to track and measure. So using the above equation, we can easily find the unknown terms 2 we know that in inverse proportion xy k xky.
If a is proportional to b which is the same as a is in direct proportion with b then as b increases, a increases. If b 10240 when w 8, find an equation relating b and w. Ncert solutions for class 8 maths chapter direct and. Printable pdf transformations worksheets from cazoom maths. Direct and inverse proportion notes class 8 maths cbse. Direct proportion example with images proportions worksheet. How to solve inverse proportion math problems on pressure and volume. About direct proportion and inverse proportiondirect proportion and inverse proportion is one of the important topics in school level math and there is no competitive exam without questions from direct and inverse proportion. A collection of 91 maths gcse sample and specimen questions from aqa, ocr, pearsonedexcel and wjec eduqas. Direct and inverse proportion questions and answers pdf. The corbettmaths video tutorial on direct proportion. Read online direct and inverse proportion questions and answers book pdf free download link book now. For the full list of videos and more revision resources visit uk. Edexcel gcse maths direct and inverse proportion answers.
Inverse proportion definition of inverse proportion by. Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Question 1hard free question 2mediumfree question 3medium question. Direct and inverse proportion the cat and mouse problem typically appears as a brainteaser or puzzle, rather than as a math problem. An interest free loan for a luxury sofa takes 15months to pay back at. Direct and inverse proportion questions worksheets and revision. The direct proportion worksheet asks students to find an equation for y in x by finding the constant of proportionality. Covers the gcse specification including graphs of direct and inverse proportion. In this lesson, learners are able to understand that x is inversely proportional to y. How to solve inverse proportion problems two method to solve the problem 1 we know that in inverse proportion x 1 y 1 x 2 y 2 x 2 y 2 x 2 y 2 in a problem, one pair would be given.