Y7 Unit 2 (2)

The number is divisible by _ if it's also divisible by 2 and 3.

• 4

• 5

• 6

• 9

What is the divisibility rule for 4?

• The last two digits form a number divisible by 4

• The last digit is a number divisible by 4

• The last digit is even

• The last digit is zero

What is the divisibility rule for 5?

• It is divisible by 2 and 3

• The last digit is a five

• The last digit is five or zero

• The last digit is zero

Which of the following statements is true of this number?

• It is divisible by 3 and 9

• It is divisible by 2, 3, and 6

• It is divisible by 3

• It is prime

Which of the following statements is true of this number?

• It is divisible by 2, 6, and 9

• It is divisible by 3 and 9

• It is divisible by 3

• It is prime

What is the divisibility rule of 9?

• The sum of the digits is a number divisible by 3

• The sum of the digits is a number divisible by 9

• The last two digits form a number divisible by 3

• The last digit is zero

Which of the following is an even number?

• 1
• 9
• 4
• 5

Is 1,284,604 divisible by 2?

• Yes, because the sum of the digits is 20, which is an even number

• No, because 4 is an odd number

• Yes, because 4 is an even number

• No, because the it is not divisible by 3

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

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