Multiples of Natural Numbers

What are the first five multiples of 3?

• 3, 5, 7, 9, 11

• [3, 6, 9, 12, 15]

• 1, 2, 3, 4, 5

• 2, 4, 6, 8, 10

How many multiples of 5 are there between 1 and 50?

• 25

• 10

• 15

• 5

If a number is a multiple of 4, what is the remainder when divided by 4?

• 3

• 1

• 0

• 2

List the first ten multiples of 7.

• [6, 12, 18, 24, 30, 36, 42, 48, 54, 60]

• [7, 14, 21, 28, 35, 42, 49, 56, 63, 70]

• [7, 14, 21, 28, 35, 42, 49, 56, 63, 77]

• [5, 10, 15, 20, 25, 30, 35, 40, 45, 50]

Is 56 a multiple of 8? Explain your answer.

• 56 is a prime number, so it cannot be a multiple of 8.

• No, 56 is not divisible by 8.

• Yes

• Yes, but only if you add 4.

How can you determine if a number is a multiple of 9?

• Divide the number by 3 and see if the result is a whole number.

• Multiply the number by 9 and check if the result is even.

• Sum the digits of the number; if the sum is a multiple of 9, the number is a multiple of 9.

• Check if the number ends with a 9.

Find the sum of the first five multiples of 10.

• 50

• 200

• 100

• 150

If a number is a multiple of both 2 and 3, what multiple must it be?

• 6

• 12

• 9

• 4

Find the missing multiple.
10:  10, 20, 30, 40, ___, 60, 70, 80

• 100
• 45
• 50
• 55

What is the first multiple of 10?

• 0
• 10
• 20
• 30