认识一半和四分之一(5岁以上)
Finding halves and quarters (age 5+)
认识、找出并说出四分之一是一个物体、图形或数量被分成四等份后的一份。
Recognise, find, and name a quarter as one of four equal parts of an object, shape, or quantity
学习证据 / Evidence
- 把一个图形折成四个相等的部分,并说出每一部分都是“四分之一”。
- 把12个物体平均分成4组,找出其中的四分之一。
- 判断一个图形是否被分成了四等份(四个相等的部分)。
- Fold a shape into four equal parts and identify each as 'a quarter'
- Find a quarter of 12 objects by sharing into 4 equal groups
- Identify whether a shape has been divided into quarters (four equal parts)
评估问题 / Assessment
如果把一张正方形纸折成四个相等的部分,{{name}}能说出每一部分都是四分之一,并指出其中一个四分之一吗?
If you fold a square piece of paper into four equal parts, can {{name}} tell you that each part is a quarter — and point to just one quarter?