【导学内容】九年义务教育六年制小学数学课本第九册第一单元中的“小数乘法”一节 ,主要内容分四小块 :（１）例１～例４ ,归结和运用小数乘法的计算法则 ;（２）例５ ,求积的近似值 ;（３）例６、例７ ,小数的运算顺序及运算定律 ;（４）例８ ,用查表法计算物品的总价。教学? 【Content】 guidance nine-year compulsory education six-year primary school mathematics textbooks ninth unit in the first unit “fractional multiplication” section, the main contents of four small pieces: (1) cases 1 to 4, boil down to and use of decimal Multiplication method; (2) Example 5, quadrature approximation; (3) Example 6, Example 7, the arithmetic sequence and the operation of the law of decimals; (4) Example 8, using the look-up table method to calculate the total price of goods. teaching?