Divisibility Rules

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

1. Question 1

   Which digit can replace ■ so that 1■2 is divisible by 9?

   • 9
   • 5
   • 6
   Show answer

   6

   Hint: The digits must add up to a multiple of 9. 1 + 2 = 3, so add ■ to reach the next multiple of 9.

2. Question 2

   Which number is divisible by 6?

   • 634
   • 961
   • 513
   • 534
   Show answer

   534

   Hint: A number is divisible by 6 if it is divisible by both 2 and 3.

3. Question 3

   Is 344 divisible by 4?

   • Yes
   • No
   Show answer

   Yes

   Hint: A number is divisible by 4 if its last two digits form a multiple of 4.

4. Question 4

   Why can a number not be divided by 0?

   • The answer is always 1
   • The answer is always 0
   • The answer is the number itself
   • No number multiplied by 0 gives a number other than 0, so there is no answer
   Show answer

   No number multiplied by 0 gives a number other than 0, so there is no answer

   Hint: Division asks: what number times the divisor gives the dividend? Nothing times 0 gives 12, for example.

5. Question 5

   Which number is divisible by 6?

   • 927
   • 241
   • 90
   • 85
   Show answer

   90

   Hint: A number is divisible by 6 if it is divisible by both 2 and 3.

6. Question 6

   Is 278 divisible by 2?

   • Yes
   • No
   Show answer

   Yes

   Hint: A number is divisible by 2 if its last digit is even.

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