【實用媒體與影片app】USAgrade3Math|最夯免費app

三年級的課程中，你將學習超過兩位數的加法和減法以及乘法、除法和分數。並且學習面積及周長的觀念。

3rd grade is full of some of the most important ideas in mathematics. You'll extend the addition and subtraction that you did in second grade to more than two digits. You will also get your first exposure to the ideas of multiplication, division, and fractions, which will be used the rest of your mathematical lives . 3rd grade is also when we first think about area (how much "space" something takes on a surface) and perimeter (the distance around a shape).

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