Fractions are everywhere! But what is a fraction? When do we use it? What does a fraction mean? Simple fractions such as one-half, one-third, or one-quarter are important to understand in the context of daily sharing. To understand fractions, we need to understand the concept of equitable sharing.
多媒體：
多媒體
互動練習
版面：
固定
插圖：
許多