Quick Divisibility Challenge


Froggy Jumps Quick Divisibility ChallengeOnline version Divisibility rules quiz by Arwa Mahmoud 1 Which condition makes a number divisible by 2? a The last digit is even b The number ends with 5 c The sum of digits is even 2 Divisible by 3 test: what should the sum of digits be? a Sum of digits is prime b Sum of digits is divisible by 3 c Product of digits is even 3 Divisible by 4 criterion? a First two digits form a number divisible by 4 b Sum of digits divisible by 4 c Last two digits form a number divisible by 4 4 Divisible by 5 rule? a Last digit is 0 or 5 b Last digit is 2 or 3 c Sum of digits is 5 5 A number is divisible by 6 if it is divisible by which two numbers? a 3 and 5 b 2 and 3 c 4 and 6 6 Which quick test helps check divisibility by 7? a Add digits until a single digit remains b Double the last digit and subtract from the rest c Subtract 7 from the number 7 Divisible by 8 test: what must the last digits satisfy? a First three digits form a number divisible by 8 b Last three digits form a number divisible by 8 c Sum of any three digits divisible by 8 8 Divisible by 9 rule? a Product of digits is divisible by 9 b Number of digits is 9 c Sum of digits is divisible by 9 9 Divisible by 10 criterion? a Last digit is 5 b Last digit is 0 c Sum of digits is 10 10 Divisible by 11 rule: what must alternating sum of digits satisfy? a Total sum of digits is even b Number of digits is a multiple of 11 c Alternating sum is divisible by 11

1

Which condition makes a number divisible by 2?

a

The last digit is even

b

The number ends with 5

c

The sum of digits is even

2

Divisible by 3 test: what should the sum of digits be?

a

Sum of digits is prime

b

Sum of digits is divisible by 3

c

Product of digits is even

3

Divisible by 4 criterion?

a

First two digits form a number divisible by 4

b

Sum of digits divisible by 4

c

Last two digits form a number divisible by 4

4

Divisible by 5 rule?

a

Last digit is 0 or 5

b

Last digit is 2 or 3

c

Sum of digits is 5

5

A number is divisible by 6 if it is divisible by which two numbers?

a

3 and 5

b

2 and 3

c

4 and 6

6

Which quick test helps check divisibility by 7?

a

Add digits until a single digit remains

b

Double the last digit and subtract from the rest

c

Subtract 7 from the number

7

Divisible by 8 test: what must the last digits satisfy?

a

First three digits form a number divisible by 8

b

Last three digits form a number divisible by 8

c

Sum of any three digits divisible by 8

8

Divisible by 9 rule?

a

Product of digits is divisible by 9

b

Number of digits is 9

c

Sum of digits is divisible by 9

9

Divisible by 10 criterion?

a

Last digit is 5

b

Last digit is 0

c

Sum of digits is 10

10

Divisible by 11 rule: what must alternating sum of digits satisfy?

a

Total sum of digits is even

b

Number of digits is a multiple of 11

c

Alternating sum is divisible by 11

Froggy Jumps