Fraction Operations Practice quiz 1 -

Match the following Divisibility Rules

• 6

• the number formed by the last two digits is

  divisible by 2 at least twice

• 2

• the number is divisible by 2 at least three times

• 8

• the sum of the digits is divisible by 3

• 4

• the number is divisible by both 2 and 3

• 3

• the last digit is even (0, 2, 4, 6, or 8)

Reorder the following fraction - 1 represent the greatest and 5 represent the smallest fraction

The factors of 36 are.............................

• 1, 2, 3,4,6,12,18,36

• 1, 2, 3,4,6,9,12,36

• 1, 2, 3,4,6,9,12,18,36

• 1, 2, 3,6,9,12,18,36

What are the factors of 18? Show your work.

What are the common factors of 10

and 30? Include a Venn diagram with

your answer.

What is the greatest common factor

of 6 and 10?

• 10

• 2

• 6

• 30

What is the smallest number you must add

so that the sum is divisible by 3?

a) 24 683 + ....

Which of the following numbers are

divisible by 4? Explain how you know. 124 330 3048 678 982 1432

. 

George is arranging sandwiches on atray for a class party. If he arranges the sandwiches in rows of 2, 3, 4, 5, or 6 he always has exactly one sandwich left over each time. What is the smallest number of sandwiches that he could have?