一百是十个十
A Hundred Is Ten Tens
理解100可以看作十个十组成的一捆，称为“百”。
Understand that 100 can be thought of as a bundle of ten tens — called a 'hundred'
学习证据 / Evidence
- 解释10组10个一组成100
- 把十捆十根的小棒合成一百，并描述这个过程
- 用十进制积木表示100，展示出10个十
- Explain that 10 groups of 10 ones make 100
- Bundle ten tens sticks into one hundred and describe what happened
- Represent 100 using base-ten blocks showing 10 tens
评估问题 / Assessment
{{name}}能解释十个十合在一起就是一百，以及为什么100的百位是1、十位和个位都是0吗？
Can {{name}} explain that ten full tens stacked together make one hundred — and that this is why 100 has a 1 in the hundreds place and zeros in the rest?