RootsEDU小学课程图谱与学习系统
数学 / Mathematics 数学思维 / Mathematical Thinking META 7 至 8 岁

理解分数(7岁及以上)

Understanding fractions (age 7+)

用数学语言精确交流:正确使用位值和分数词汇,在测量答案中注明单位,并准确使用数学记号。

Communicate with mathematical precision: use correct place-value and fraction vocabulary, specify units in measurement answers, and use notation accurately

学习证据 / Evidence

评估问题 / Assessment

当 {{name}} 给出涉及测量或分数的数学答案时,他们会包含正确的单位——如“3½ 米”或“2.5 千克”——并全程使用正确的符号吗?

When {{name}} gives a maths answer involving measurements or fractions, do they include the correct units — like "3½ metres" or "2.5 kg" — and use the right symbols throughout?

先修关系图 / Learning path