{"title":"韩国、日本、新加坡和美国小学数学教材中数轴使用的比较分析——以分数概念和分数加减法为中心","authors":"J. Kim","doi":"10.54340/kseme.2022.26.4.1","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":362562,"journal":{"name":"Journal of Elementary Mathematics Education in Korea","volume":"126 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Comparative Analysis on Use of the Number Line in Elementary Mathematics Textbooks of Korea, Japan, Singapore and the United States : Focused on Concept of Fractions and Addition and Subtraction of Fractions\",\"authors\":\"J. Kim\",\"doi\":\"10.54340/kseme.2022.26.4.1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":362562,\"journal\":{\"name\":\"Journal of Elementary Mathematics Education in Korea\",\"volume\":\"126 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-11-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Elementary Mathematics Education in Korea\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.54340/kseme.2022.26.4.1\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Elementary Mathematics Education in Korea","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.54340/kseme.2022.26.4.1","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Comparative Analysis on Use of the Number Line in Elementary Mathematics Textbooks of Korea, Japan, Singapore and the United States : Focused on Concept of Fractions and Addition and Subtraction of Fractions