Tag Archives: Maths GCSE

Indices and Standard Form

Posted on November 10, 2011 by admin

Overview This cov­ers; Laws of Indices, Frac­tional and Neg­a­tive Pow­ers, Stan­dard Form (build­ing on knowl­edge gained in Com­plex Cal­cu­la­tions and Accu­racy) and Surds. Some of this is quite com­pli­cated (some Grade A and A* ques­tions). I think the trick is … Con­tinue read­ing →

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Formulae

Posted on October 25, 2011 by admin

Overview This builds on the Basic Alge­bra sec­tion. It cov­ers; how to write your own alge­braic for­mu­lae, how to eval­u­ate expres­sions and for­mula by sub­sti­tut­ing val­ues for vari­ables and how to change the sub­ject of a for­mula. For­mu­lae Ques­tions 1. … Con­tinue read­ing →

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Equations and Inequalities

Posted on October 24, 2011 by admin

Overview This sec­tion builds on your Basic Alge­bra knowl­edge so that you can solve equa­tions and inequal­i­ties. If you learn a few rules and prac­tice a few ques­tions its not too dif­fi­cult. Some of the most demand­ing ques­tions involv­ing simul­ta­ne­ous … Con­tinue read­ing →

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Decimals

Posted on October 21, 2011 by admin

Overview It’s easy to get fazed by dec­i­mal points. There are few sim­ple tech­niques that make sums involv­ing dec­i­mal points easy to do. Also I think there are poten­tial rel­a­tively easy Grade A ques­tions about con­vert­ing recur­ring dec­i­mals to frac­tions … Con­tinue read­ing →

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Basic Algebra

Posted on October 20, 2011 by admin

Overview Every one does alge­bra every day. How do I fairly share 12 sweets between 4 peo­ple? If a recipe calls for 2oo grams of flour to make a dish for 4 peo­ple how many grams will I need to … Con­tinue read­ing →

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Fractions

Posted on October 15, 2011 by admin

Overview Some peo­ple are fazed by frac­tions but if you learn a few rules I think you may be able to pick up some easy marks. You have to be able to add, sub­tract, mul­ti­ply and divide frac­tions. Plus you … Con­tinue read­ing →

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Factors, Powers and Roots

Posted on October 12, 2011 by admin

Overview This sec­tion cov­ers Low­est Com­mon Mul­ti­ples, High­est Com­mon Fac­tors, Squares, Cubes, Roots and Prime Fac­tors. So there are a num­ber of terms to learn and some tech­niques. Some of these tech­niques need to be prac­ticed a few times such … Con­tinue read­ing →

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Estimation and Currency Conversion

Posted on October 10, 2011 by admin

Overview Remem­ber that Esti­ma­tion and Cur­rency Con­ver­sion is part of Unit 2 and no cal­cu­la­tors are allowed. The skills learned here are very use­ful in real life and you should be able to think of many day to day appli­ca­tions. … Con­tinue read­ing →

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Complex Calculations and Accuracy

Posted on October 7, 2011 by admin

Overview Com­plex Cal­cu­la­tions and Accu­racy cov­ers using knowl­edge and your cal­cu­la­tor to manip­u­late num­bers. Top­ics include com­pound inter­est, per­cent­age change, stan­dard form, upper and lower bounds and absolute and per­cent­age error. I think half the bat­tle for these ques­tions is know­ing … Con­tinue read­ing →

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Cumulative Frequency

Posted on September 28, 2011 by admin

Overview In order to under­stand and use cumu­la­tive fre­quency, you need knowl­edge cov­ered in Data Col­lec­tion, Inter­pret­ing and Rep­re­sent­ing Data and Range and Aver­ages. None of the con­cepts are too dif­fi­cult. You need to be able to com­plete cumu­la­tive fre­quency … Con­tinue read­ing →

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