图形中的分数
Fractions as parts of shapes
将图形分成面积相等的几部分,并用单位分数表示每部分占整个图形的多少。
Partition shapes into parts with equal areas and express the area of each part as a unit fraction of the whole
学习证据 / Evidence
- 把一个长方形分成6个面积相等的部分,并把每一部分标为1/6。
- 用两种不同的方法把一个正方形分成4等份。
- 给出一个已等分的图形,写出其中一部分的单位分数。
- Partition a rectangle into 6 equal-area parts and label each 1/6
- Show two different ways to partition a square into 4 equal parts
- Given a pre-partitioned shape, write the unit fraction for one part
评估问题 / Assessment
如果让{{name}}把一张正方形纸折成8等份,{{name}}能说出每一份占这个正方形的几分之几吗?
If you ask {{name}} to fold a square piece of paper into 8 equal parts, can they tell you what fraction of the whole square each part represents?