GFC and LCM Quiz Review

Which of the following are multiples of 7?

• 7, 14, 28, 56, 112, 224

• 7, 14, 21, 28, 35, 42

• 1, 7

Tags

CCSS.4.OA.B.4

Which of the following is a factor of 40?

• 10

• 3

• 7

• 9

Tags

CCSS.4.OA.B.4

Evaluate 4³

• 12

• 16

• 7

• 64

Tags

CCSS.6.EE.A.1

Simplify 4²÷4(2)+1

• 3

• 9

• 2

• 17

Tags

CCSS.6.EE.A.1

What is the Least Common Multiple of 12 and 15

• 60

• 3

• 120

• 180

Tags

CCSS.6.NS.B.4

What is the Greatest Common Factor of 30 and 54?

• 270

• 2

• 6

• 1,620

Tags

CCSS.6.NS.B.4

Last summer, Karl went to the beach every 5 days. Antonia went to the beach every 7 days. How often did they see each other at the beach?

• 1 day

• 35 days

• A week

• Never

Tags

CCSS.6.NS.B.4

You have two pieces of string. One is 27 cm long. The other is 45 cm long. You want to cut each piece of string into smaller pieces of equal length. Each length is to be a whole number of centimeters. What is the greatest common length?

• 3cm

• 5cm

• 1cm

• 9 cm

Tags

CCSS.6.NS.B.4

A movie theater is celebrating its 10th anniversary by giving popcorn to every 10th movie-goer today. The owner's daughter is turning 14 today, so the theater is also giving a pretzel to every 14th movie-goer. Which movie-goer will be the first to win both prizes?

• 70th person

• 2nd person

• 140th person

Tags

CCSS.6.NS.B.4

Two faucets start dripping at the same time. One faucet drips once every 6 seconds. The other faucet drips once every 14 seconds. After how many seconds do the two faucets drip at the same time?

**Only enter the number**

(a)  

Tags

CCSS.6.NS.B.4