乘法表中的规律
Patterns in Times Tables
识别算术规律（包括加法表或乘法表中的规律），并运用运算性质加以解释。
Identify arithmetic patterns (including patterns in the addition table or multiplication table) and explain them using properties of operations
学习证据 / Evidence
- 发现所有乘5所得的积都以0或5结尾，并解释原因。
- 观察到两个偶数相加的和总是偶数。
- 识别乘法表中的规律，并用交换律或分配律解释这个规律。
- Notice that all products of 5 end in 0 or 5 and explain why
- Observe that the sum of two even numbers is always even
- Identify a pattern in the multiplication table and explain it using commutativity or the distributive property
评估问题 / Assessment
{{name}}能发现乘法表中的规律吗——比如所有5的倍数都以0或5结尾——并解释这个规律为什么成立？
Can {{name}} spot patterns in times tables — like all multiples of 5 end in 0 or 5 — and explain why that pattern happens?