数的比较与排序
Comparing and ordering numbers
根据对数位的理解，使用 >、= 和 < 符号比较并排列两位数。
Compare and order two-digit numbers using the symbols >, =, and <, based on place value understanding
学习证据 / Evidence
- 能正确地在34和43之间使用>或<符号
- 能按从小到大的顺序排列一组两位数
- 能解释比较时先看十位数字，再看个位数字
- Correctly place > or < between 34 and 43
- Order a set of two-digit numbers from smallest to largest
- Explain a comparison by referring to the tens digit first, then ones
评估问题 / Assessment
如果你向{{name}}展示数字34、67和21，{{name}}能按从小到大的顺序排列，并正确使用>或<符号吗？
If you show {{name}} the numbers 34, 67, and 21, can they put them in order from smallest to largest — and use the symbols > or < correctly?