LCM , GCF and Distributive property

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

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

• 6
• 8
• 48
• 24

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?

• 30
• 45
• 50
• 90

Find the missing number using the distributive property.
10 + 20  =  2(5 +  __)

• 2
• 4
• 5
• 10

Tags

CCSS.6.NS.B.4

8(3 + 4) =

• 24 + 32
• 11 + 12
• 123 + 124
• 5 + 4

Tags

CCSS.7.NS.A.1D

Rewrite using distributive property and GCF.  
24 + 30

• 6(4+5)
• 8(3+4)
• 6(4) + 6(2)
• 6x2+5

Tags

CCSS.6.EE.A.3

What is the
least common multiple
 of 2 and 5? 

• 2
• 7
• 10
• 20

TRUE or FALSE?

A FACTOR is greater than the number you are factoring

• TRUE

• FALSE

Tags

CCSS.4.OA.B.4

TRUE or FALSE?

A MULTIPLE is greater than the number you are multiplying

• True

• False

What is the prime factorization of 36?

(Draw a factor tree on your paper. List all the prime numbers at the ends of the branches as a multiplication sentence.)

• 2 * 3

• 2 * 2 * 3 * 3

• 2 * 2 * 3

• 3 * 3 * 3 * 2