Analysis and Enlightenment of Quantity Sense Research at Home and Abroad
As a newly added core literacy expression in the mathematics curriculum standard for compulsory education(2022 Edition),the quantity sense is an important content of primary school mathematics curriculum.Quantity sense refers to the perception of measurable attributes and size relationships of things,reflecting the thinking ability to quantify things.On the basis of integrating domestic and international research on quantity sense,the concept of quantity perception was clarified,and a quantity perception structure model composed of quantity perception,quantity conversion,quantity estimation,and quantity inference was constructed.Finally,suggestions were put forward for the development of a quantity evaluation framework,such as emphasizing the diversification of evaluation methods and highlighting the situational nature of evaluation tasks.