수학동아 - 폴리매스

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Function: require_once

단원 별 수행평가

실생활에서 수학이 어떻게 활용되는지 확인해 보세요!

[수와 연산] 영어로 배우는 수세기 기수와 서수

수학동아 2018.12.28 01:59 조회 1064

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

실생활에서 가장 많이 사용하는 수학이 사칙연산이듯 영어에서 가장 많이 쓰이는 수학은 기수와 서수다. 기수와 서수는 수를 세는 방법으로 기수는 1, 2, 3, … 처럼 우리가 수를 셀 때 흔히 사용하는 방법이고 서수는 첫 번째, 두 번째, … 처럼 순서를 고려한 방법이다. 물건을 사기 위해 가격을 물어 보고 시간 약속을 정하고 전화번호를 알기 위해서는 기수와 서수가 꼭 필요하다. 기수와 서수를 영어에서는 어떻게 쓰는지 어원과 함께 알아보자.