因数、倍数与质数
Factors, multiples, and primes
找出1到100之间一个整数的所有因数对;找出两个数的公因数和公倍数;运用这些概念解决问题。
Find all factor pairs for a whole number in the range 1–100; identify common factors and common multiples of two numbers; use these concepts to solve problems
学习证据 / Evidence
- 列出36的所有因数对:(1,36)、(2,18)、(3,12)、(4,9)、(6,6)
- 写出7的前五个倍数
- 找出24和36的公因数
- 找出36和48的所有公因数
- 找出6和8的前三个公倍数
- 判断一个给定的数(如97)是否为质数,并说明理由
- List all factor pairs of 36: (1,36), (2,18), (3,12), (4,9), (6,6)
- State the first five multiples of 7
- Find the common factors of 24 and 36
- Find all common factors of 36 and 48
- Identify the first three common multiples of 6 and 8
- Determine whether a given number (e.g. 97) is prime and justify the reasoning
评估问题 / Assessment
{{name}}能否列出像36这样的数的所有因数对——(1,36)、(2,18)、(3,12)、(4,9)、(6,6)——并找出两个数的公因数?
Can {{name}} list all the factor pairs for a number like 36 — (1, 36), (2, 18), (3, 12), (4, 9), (6, 6) — and find factors that two numbers share?