平方数和立方数
Square and cube numbers
认识并使用平方数和立方数,以及平方(²)和立方(³)的记法。
Recognise and use square numbers and cube numbers, and the notation for squared (²) and cubed (³)
学习证据 / Evidence
- 识别 49 是 7²,并解释 7 × 7 = 49
- 计算 4³ = 64,并解释它表示 4 × 4 × 4
- 列出前十个平方数
- Identify 49 as 7² and explain that 7 × 7 = 49
- Calculate 4³ = 64 and explain it means 4 × 4 × 4
- List the first ten square numbers
评估问题 / Assessment
{{name}} 知道“5²”表示 5 × 5 = 25,“3³”表示 3 × 3 × 3 = 27 吗?他们能算出其他平方数和立方数吗?
Does {{name}} know that '5²' means 5 × 5 = 25 and '3³' means 3 × 3 × 3 = 27 — and can they work out other squared and cubed numbers?