什么是一半？
What Is a Half?
认识、找出并说出“一半”，即把一个物体、形状或数量分成两个相等的部分后，其中一份就是一半。
Recognise, find, and name a half as one of two equal parts of an object, shape, or quantity
学习证据 / Evidence
- 把一个形状折成两个相等的部分，并指出每一部分都是“一半”。
- 把8个物体平均分成2组，找出8个物体的一半。
- 判断一个形状是否被分成了两半（比较两部分相等还是不相等）。
- Fold a shape into two equal parts and identify each as 'a half'
- Find half of 8 objects by sharing into 2 equal groups
- Identify whether a shape has been divided into halves or not (equal vs unequal parts)
评估问题 / Assessment
如果{{name}}正在帮忙把一块三明治平均分给两个人，{{name}}能把它切成一样大的两块，并告诉你每一块都叫“一半”吗？
If {{name}} is helping share a sandwich equally between two people, can they cut it so both pieces are the same size — and tell you each piece is called a half?