ten miutes 是短語，含義：十分鐘。

ten minutes‘ 是複合形容詞，含義：十分鐘的.......

例句：

It will take me ten minutes to get to the park. (一段時間)

It is ten-minutes' walk from school to my house. (形容詞後必須加名詞walk)ten minutes' walk強調距離，用於詢問或者回答距離時

例句：It's ten minutes' walk from my home to the school

ten-minute walk強調事件，用於詢問事件

例句：I took a ten-minute walk

另外：ten minutes' walk前面不加冠詞/定冠詞，而ten-minute walk 要加