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《义务教育数学课程标准》(2011版)中指出:“探索并了解运算律……会运用运算律进行一些简便计算。”依据新课程理念,可从“抓住知识点,抓住易错点,抓住混淆点”三个方面提高学生简便计算的能力。
The Standard of Compulsory Education Curriculum Standard (2011 Edition) states: “To explore and understand arithmetic laws ... we will use arithmetic laws to make some simple calculations.” According to the new curriculum concept, we can grasp knowledge points and grasp Easy to make mistakes, to seize the confusion point "three aspects to improve the ability of students to calculate easily.