在向学生介绍奇数和偶数数字时，可以使用23个滑动的交互式PowerPoint。
This interactive PowerPoint presentation has been designed to introduce your students to奇数甚至数字。
演示文稿使用两个平等组中的对象进行分组，并跳过计数来证明为什么1-10的每个数字都可以归类为奇数甚至偶数。
Whole class and individual activities are also included.
课程
ccss.math.content.2.oa.c.3
Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
作者
Stephanie (Teach Starter)
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娜塔莉· Change: Odd and Even Numbers - PowerPoint我们已经更新了此PowerPoint，并包括交互式元素。
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