1, "24 primary school mathematics oral calculation". The Strategy Book of Primary School Mathematics Examination comprehensively interprets 24 knowledge points and skills of primary school mathematics oral calculation, including correctly handling units, decimals and fractions in mathematics problems, so that children can quickly improve their oral calculation ability.
2. Introduction to Common Questions in Primary School Olympic Mathematics. The strategy book of primary school mathematics examination introduces 13 kinds of commonly used questions in primary school Olympic mathematics, including addition, subtraction, multiplication and division, average, score and so on. By analyzing problems and explaining coping strategies, children can better master and use problem-solving skills.