課件文稿分析sat math lesson

1、SAT MathLesson 1Rachel Ma馬倩 wechat: dreama0406Weibo: buffalo6654 questions (16,18, 20 randomly in 3 sections)Time: 25+25+20=70 minutesQuestion Type: Choice& Filling BlanksMy requirement1. 定期定量刷題，難度依個(gè)人而定2. 定期復(fù)習(xí)錯(cuò)題，務(wù)必做到完全理解3. 生詞及生詞補(bǔ)丁完全徹底背熟4. 我后期發(fā)送的新題目可以選擇完成Begin NowSAT Math 題型1. 新定義題2. 普通代數(shù)題3. 普通幾何題4.

2、坐標(biāo)幾何題5. 數(shù)論數(shù)軸題6. 命題題7. 應(yīng)用題8. 邏輯推理題9. 排列組合題10. 極值題11. 其他Something You Must Know Before Test1. About the blank2. Calculator: Casio fx90系列(fx991ES Plus)3. 臺(tái)灣/新加坡香港4. Full Mark:800一、代數(shù) 部 分1. 基本運(yùn)算：Subtract/ minus減 difference-differ by差 multiply, times乘 product積 divide除 divisible可被整除的 divided evenly被整除 div

3、idend被除數(shù) divisor因子，除數(shù) quotient商 remainder余數(shù) factor 因數(shù)power乘方 round to/off四舍五入 179.845 to the nearest -tenth digitnatural number自然數(shù)positive number正數(shù)-negative number負(fù)數(shù)integer, whole number整數(shù)positive whole number正整數(shù)-negative whole number負(fù)整數(shù)consecutive number連續(xù)整數(shù)real number, rational number實(shí)數(shù),有理數(shù)-irrati

4、onal(number)composite number合數(shù)e.g.4,6,8,9,10,12,14,15prime number質(zhì)數(shù)e.g.2,3,5,7,11,13reciprocal倒數(shù)Number line 數(shù)軸common divisor公約數(shù)(least)common multiple(最小)公倍數(shù)(highest)common factor (最大)公因數(shù)prime number 質(zhì)數(shù) 素?cái)?shù)(prime)factor(質(zhì))因子 mon factor公因子nonnegative非負(fù)的tens十位units個(gè)位，數(shù)位mode眾數(shù)median中數(shù) mean 均值D E: 7+4=11

5、k+n=18DDD16002、有關(guān)集合union并集 intersection 交集subset 子集proper subset真子集 solution set解集 Empty set 空集-A3、有關(guān)代數(shù)式、方程和不等式integer 整數(shù)-fraction-decimal 分?jǐn)?shù)，小數(shù)In the decimal representation of the fraction 1/10, the tenth digit is_.algebraic term代數(shù)項(xiàng) like terms, similar terms同類項(xiàng) numerical coefficient數(shù)字系數(shù) literal coe

6、fficient字母系數(shù) inequality不等式Range 極差original equation原方程 equivalent equation同解方程,等價(jià)方程 linear equation線性方程(e.g.5 x +6=2y) BCould be & Must beCould beEEMust beEEBy:幅度4.有關(guān)分?jǐn)?shù)和小數(shù)proper fraction真分?jǐn)?shù) -simple fraction簡分?jǐn)?shù) improper fraction假分?jǐn)?shù) -mixed number帶分?jǐn)?shù) vulgar fraction, common fraction普通分?jǐn)?shù) complex fractio

7、n繁分?jǐn)?shù) numerator分子 denominator分母 (least)common denominator(最小)公分母 infinite decimal無窮小數(shù) recurring decimal循環(huán)小數(shù) tenths (unit)十分位 :nearest to/round to tenthCBasic Math Review-Algebra Arithmetic1. 若0n1, 則n2 n; 同理n開平方后變大。2. 指（對(duì)）數(shù)運(yùn)算3. 單位換算 1/9 E D ADenominatorNumerator5.基本數(shù)學(xué)概念arithmetic mean算術(shù)平均值weighted ave

8、rage加權(quán)平均值 (GPA)geometric mean幾何平均數(shù)exponent指數(shù)，冪base 底數(shù),底邊cube立方數(shù)，立方體square root平方根cube root立方根digit數(shù)字constant常數(shù)variable變量inverse function反函數(shù)factorization因式分解absolute value絕對(duì)值，e.g.-32=326.數(shù)列sequencearithmetic progression(sequence)等差數(shù)列g(shù)eometric progression(sequence)等比數(shù)列SAT 1基本不考公式BA. a4 and a5B. a5 and

9、 a6C. a6 and a7D. a7 and a8E. a8 and a9C EA數(shù)論&數(shù)軸題BEDEEquivalentD7. 概率&排列組合The digits 1,2,3 and 4 are to be arranged randomly to make a positive four-digit integer. What is the probability that the digits 1,2, and 3 will be directly next to each other, in that order, from left to right?A. 1/12B. 1/8C. 1/6D. 1/4E. 1/3A:4x3x2x1關(guān)于放回與不放回抽取的概率ESAT086Venn Diagram重疊問題C: x+y=15 x+z=12 y+z=11Mean, Median, Mode只有mean(average value)必然會(huì)受整體中某一個(gè)或幾個(gè)數(shù)變動(dòng)的