Mathematics
Multiplication & Division
Procedural
9–10 yrs
Factors, multiples, and primes (age 9+)
因数、倍数与质数（9岁以上）
Description
Solve problems involving multiplication and division using knowledge of factors, multiples, squares, and cubes
Mastery Evidence
- 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
Assessment Prompt
If your child 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?
Prerequisites 2
Factors, multiples, and primes
因数与倍数的知识是解决相关问题的先决条件
Square and cube numbers
平方数与立方数的知识是解决相关问题的先决条件
Unlocks 0
No follow-up topics
