因数和倍数 Factors and Multiples

What do we call the numbers that are multiplied together to get a product?

• Quotients

• Multiples

• Factors

• Divisors

Tags

CCSS.4.OA.B.4

Which of the following is a factor of 18?

• 7

• 5

• 6

• 4

Tags

CCSS.3.OA.C.7

What is the product of 3 and 6?

• 21

• 12

• 15

• 18

Tags

CCSS.4.OA.B.4

How many factors does the number 18 have?

• 5

• 6

• 7

• 4

What is the first multiple of 18?

• 72

• 54

• 36

• 18

What is the second multiple of 18?

• 54

• 72

• 36

• 18

Tags

CCSS.4.OA.B.4

What is the difference between factors and multiples?

• Factors are finite（有限的）, multiples are infinite（无限的）

• Factors are subtracted, multiples are added

• Factors are infinite（无限的）, multiples are finite（有限的）

• Factors are added, multiples are subtracted

How many multiples of 18 are there?

• 18

• 12

• 6

• Infinite（无限的）

Tags

CCSS.3.OA.A.1

If you skip count by 18, what number comes after 36?

• 54

• 72

• 90

• 108

Tags

CCSS.3.OA.A.1