IGCSE-数学考试注意要点.pptVIP

GCSE MATHEMATICS HOW TO IMPROVE YOUR GRADE THE EASY WAY EQUIPMENT: Most students bring all the correct equipment (Pens, Pencils, Ruler, Angle measurer/protractor, Calculator) However there is a lot of evidence which shows they simply don’t use it! DIAGRAMS: Almost all diagrams are NOT drawn to scale. Many students ignore this fact. They simply measure angles and lines without calculating them and consequently get no marks. READ THE QUESTION: It is recommended that you read the question TWICE. There is plenty of time. You can underline the important parts of a question if you wish to CALCULATORS Make sure you can read a display that is in Standard Form. No credit is given for writing an answer as 1.6306. Make sure your calculator is set in the DEG mode FAMILIARISE YOURSELF WITH YOUR OWN CALCULATOR BRING IT TO SCHOOL EVERY DAY DON’T RELY ON THE SCHOOLS CALCULATOR WHICH MAY HAVE A DIFFERENT LOGIC SYSTEM TO YOURS. METHODS: Working out MUST be shown. There are a lot of method marks available and it is recommended that all relevant stages of working are shown. Incorrect answer and no working gains no marks If correct working is shown and a careless error results in an incorrect answer you could gain 4 out of 5 marks available MATHS SPECIFIC ERRORS PROBABILITY A very large number of answers are still given as 1 in 2 or 5 out of 1O. These are incorrect. Answers should be decimals, fractions or percentages. As a general rule if the question uses fractions then give your answer as a fraction. Reminder: A probability answer cannot be greater than 1! UNITS You will have to give your own units for at least one question. Units of length, volume and area are frequently mixed up by students. Learn them. Learn common Metric to Imperial conversions. e g 1 kg = 2.2 lbs, 1 mile = 1.6 Km. 1 Gallon = 4.55 Litres etc. Reminder: There are 52 weeks in a year.(Many students use 50) UNITS Even if not asked to