Prime Time Quiz 2 Review

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 6 and 8?

• 6
• 8
• 48
• 24

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 15 and 2?

• 30
• 2
• 45
• 152

Tags

CCSS.6.NS.B.4

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

Tags

CCSS.6.NS.B.4

Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?

• 48 seconds
• 45 seconds
• 16 seconds
• 8 seconds

Tags

CCSS.6.NS.B.4

Jane has 18 juice boxes, 24 bags of peanuts and 36 apples.  She wants to make snack bags with the same number of each thing in each bag.  What is the greatest number of snack bags Jane can make.

• 4
• 6
• 8
• 10

Tags

CCSS.6.NS.B.4

A number that has only two factors, 1 and itself, is called a _______ number.

• prime
• composite
• odd
• even

A number that has more than 2 factors is called a __________ number.

• prime
• composite
• odd
• even

Tags

CCSS.4.OA.B.4

Which number below is NOT prime?

• 3
• 7
• 9
• 11

Tags

CCSS.4.OA.B.4

When we skip count, we are listing .....

• factors
• divisors 
• addition 
• multiples

Tags

CCSS.4.OA.B.4