新加坡政府中学二年级算术大纲

2.2. similar figures 2.3. properties of similar triangles and polygons: corresponding angles are equal corresponding sides are proportional 2.4. enlargement and reduction of a plane figure 2.5. solving simple problems involving congruence and similarity G4. Pythagoras’ theorem and trigonometry 4.1. use of Pythagoras’ theorem 4.2. determining whether a triangle is right-angled given the lengths of three sides 4.3. use of trigonometric ratios (sine, cosine and tangent) of acute angles to calculate unknown sides and angles in right-angled triangles G5. Mensuration 5.6. volume and surface area of pyramid, cone and sphere 三、统计和概率 S1. Data handling Simon analysis 数据处理和分析 1.5. analysis and interpretation of: dot diagrams histograms stem-and-leaf diagrams 1.6. purposes and uses, advantages and disadvantages of the different forms of statistical representations 1.7. explaining why a given statistical diagram leads to misinterpretation of data 1.8. mean, mode and median as measures of central tendency for a set of data 1.9. purposes and use of mean, mode and median 1.10. calculation of the mean for grouped data S2. 概率 2.1. probability as a measure of chance 2.2. probability of single events (including listing all the possible outcomes in a simple chance situation to calculate the probability)

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