elementary

Adding and subtracting numbers is a basic and elementary part of mathematics.

(Chinese) 加减运算是数学中基础且初级的部分。

The detective solved the case using elementary logic and simple observation.

(Chinese) 侦探利用初级逻辑和简单观察破获了这起案件。

My daughter is currently in the third grade at the local elementary school.

(Chinese) 我女儿目前在当地小学读三年级。

Teachers in elementary school focus on teaching children how to read and write.

(Chinese) 小学的老师专注于教孩子们如何阅读和写作。