6th Grade Review #1

Determine the GCF of 72 and 30

• 6

• 2

• 15

• 360

Determine the GCF of 30 and 54

Determine the LCM of 10 and 12

• 2

• 10

• 30

• 60

Determine the LCM of 8 and 9

TRUE or FALSE: 7 and 21 are relatively prime

• TRUE

• FALSE

What is the reciprocal of 3/5?

• -3/5

• 5/3

• 3/5

• It doesn't have a reciprocal

TRUE or FALSE: 3 is the reciprocal of 1/3

• TRUE

• FALSE

Calculate the quotient: 4÷ 1/3

Simplify: 8/24

• 1/4
• 2/5
• 1/6
• 1/3

3/8 x 2/5 =
(Remember to Simplify)

• 7/15
• 1/3
• 6/40
• 3/20