TEST REVIEW -Unit 5

Prime or composite?
16

• prime 
• composite
• neither
• both

Tags

CCSS.4.OA.B.4

Prime or composite?
29

• Prime
• Composite
• Neither
• Both

Tags

CCSS.4.OA.B.4

Use a factor tree or repeated division of primes to get the prime factorization of 24.

• 2X2X2X2
• 2X2X2X3
• 4X6
• 3X8

Write the prime factorization of 100.

• 5x5x4
• 2x3x5x7
• 2x2x5x5
• none of the above

Write the prime factorization of 44.

• 2x11
• 11x4
• 2x22
• 2x2x11

Find the greatest common factor of 42,72.

• 9
• 7
• 6
• 2

Tags

CCSS.6.NS.B.4

Find the greatest common factor of 10 and 22.

• 2
• 4
• 11
• 5

Tags

CCSS.6.NS.B.4

Find the least common 
MULTIPLE OR LCM OF 
22, 36.

• 36
• 2
• 792
• 396

Tags

CCSS.6.NS.B.4

List the first 10 prime numbers.

• 1,2,3,5,7,9,11,13,17,19
• 2,3,5,7,11,13,17,19,23,29
• 2,4,6,8,10,12,14,16,18,20
• 1,3,5,7,9,11,13,15,17,19

Tags

CCSS.4.OA.B.4

Order the fractions from least to greatest.
7/9, 5/6, 13/18
HINT: Make a common denominator for 9,6,18. USE the LCM.

• 7/9,5/6,13/18
• 13/18, 7/9,5/6
• 5/6,7/9,13/18
• NONE OF THESE ANSWERS

Tags

CCSS.4.NF.A.2