RootsEDU小学课程图谱与学习系统
数学 / Mathematics 数的表示与位值 / Number Representation & Place Value CONCEPTUAL 8 至 9 岁

100以内的罗马数字

Roman numerals to 100

阅读100以内的罗马数字(I 到 C),并理解这种数字系统随时间发生了变化,后来加入了零和位值制。

Read Roman numerals to 100 (I to C) and understand that the numeral system changed over time to include zero and place value

学习证据 / Evidence

评估问题 / Assessment

{{name}}能读出像 XIV(14)或 XLII(42)这样的罗马数字吗?是否知道为什么在零和位值制被发明后,大多数情况下我们不再使用罗马数字了?

Can {{name}} read Roman numerals like XIV (14) or XLII (42) — and do they know why we stopped using Roman numerals for most things once zero and place value were invented?

先修关系图 / Learning path