Often unschoolers with no formal training in math acquire mathematics through real world applications or can catch up with formally instructed peers easily.

其实，接受非学校教育的孩子即使没有经过正规的数学课训练，也很容易通过现实生活知识来培养其数学能力，或者很容易赶上那些接受正规培养的同龄人的数学水平。

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Now we are going to learn the first subject: Math (or Mathematics).

现在我们将开始学习第一门课：数学。

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