Unit 4 The World of Numbers

华师附属南国实验学校实习队 by huang shaofang ⅰ. period: the 1st period ⅱ. teaching content: reading a in page 50 ⅲ. teaching type: reading ⅳ. teaching aim: ø         language: acquire some knowledge about the ancient numbers, the system of numbers and calculating machines. learn some expressions of calculation, e.g. odd number, even number, add, plus, subtract, minus, multiply, times, divide, equals, a percentage. ø         ability: do some simple calculations ø         emotion: beware students of the concept: all subjects are closely related. we should not favour one or some subjects and neglect another or others. if you study one subject well, it will be helpfu 阅读全文