奇数和偶数
Odd and even numbers
认识奇数和偶数
Recognise odd and even numbers
学习证据 / Evidence
- 判断给定的数是奇数还是偶数
- 解释偶数可以平均分成2组
- 发现规律:偶数的末尾是0、2、4、6或8
- Identify whether a given number is odd or even
- Explain that even numbers can be divided into 2 equal groups
- Spot the pattern: even numbers end in 0, 2, 4, 6, or 8
评估问题 / Assessment
如果你给{{name}}一个数,比如37或84,他们能快速说出它是奇数还是偶数,并解释是怎么判断的吗?
If you give {{name}} a number like 37 or 84, can they quickly tell you whether it's odd or even — and explain how they know?