因数、倍数与质数(9岁及以上)
Factors, multiples, and primes (age 9+)
运用因数、倍数、平方数和立方数的知识,解决涉及乘法和除法的实际问题
Solve problems involving multiplication and division using knowledge of factors, multiples, squares, and cubes
学习证据 / Evidence
- 156是6的倍数吗?说明你是怎么知道的。
- 找出两个平方数,使它们的和等于100。
- 用因数对来简化24×25:6×(4×25)=6×100=600。
- Is 156 a multiple of 6? Explain how you know
- Find two square numbers that add to make 100
- Use factor pairs to simplify 24 × 25 as 6 × (4 × 25) = 6 × 100 = 600
评估问题 / Assessment
如果{{name}}被要求找出所有小于100的平方数,他们能系统地推算并给出正确的列表:1、4、9、16、25、36、49、64、81吗?
If {{name}} is asked to find all the square numbers less than 100, can they work through it systematically and give you the correct list: 1, 4, 9, 16, 25, 36, 49, 64, 81?