除法：平均分
Division as equal sharing
理解除法既可以是把物体平均分成若干份，也可以是按每几个一组来分（看能分成几组）。
Understand division as sharing equally into groups or as grouping (how many groups of a given size can be made)
学习证据 / Evidence
- 把10个计数圆片平均分到2个盘子里
- 把12个物体每3个分一组，数出有4组
- 用实物来解答“8里面有几个2？”
- Share 10 counters equally between 2 plates
- Group 12 objects into sets of 3 and count 4 groups
- Use concrete objects to solve 'How many groups of 2 in 8?'
评估问题 / Assessment
如果{{name}}有12颗葡萄，要平均分给3个朋友，{{name}}能不能算出每个朋友分到4颗，并说明自己是怎么做的呢？
If {{name}} has 12 grapes to share equally between 3 friends, can they work out that each friend gets 4 — and explain what they did?