Mathematics 5

Mathematics 5

by MARIBEL EDRA

Multiple Choice

1. Which of the following is the divisibility rule for 3?

• Adds up the digits. The sum must be even and divisible by 3.

• The digits must add up to 9.

• The last digit must be a 3.

• Adds up the digits. The sum must be divisible by 3.

Multiple Choice

2. Which of the following numbers is divisible by 2, 5 and 10?

• 3 465

• 792

• 1 080

• 189

Multiple Choice

3. A bakery made 1, 575 butter cookies. After arranging the cookies into packages, the bakery did not have any cookies left. How many cookies could have in each package?

• 6

• 5

• 9

• 4

Multiple Choice

What is the divisibility rule for 5?

• The digits must add up to 10

• The last digit needs to be a 5 or 0.

• The last digit can only be a 5.

• The sum of the digits is divisible by 5

Multiple Choice

2520 is divisible by 6 because:

• It is divisible by 2 (even) and 5 (ends in a 0 or 5)

• The sum of the digits is 12, a multiple of 6

• It's divisible by 2 (even) and 3 (sum of digits is a multiple of 3)

• The sum of the digits is even

Multiple Choice

252 is divisible by 9 because:

• The number is divisible by 2 and 3

• The sum of the digits is a multiple of 9.

• The sum of the digits is a multiple of 3

• The sum of the digits is even.

Multiple Choice

How do you know if a number is divisible by 12?

• The sum of the digits must be a multiple of 12

• If it ends in 3, 6, or 9

• If it is divisible by 3 and 4

• If it is divisible by 2 or 3

Multiple Choice

Is 81 divisible by 3?

• Yes, because the sum of the digits is 9, a multiple of 3

• No, because 81 is an odd number

• Yes, because 81 is an odd number

• No, because 81 does not end in 3

Multiple Choice

70 can be evenly divided by which number?

• 5

• 10

• 2

• All of the above