Math Unit 4 Test Review

A prime number

• has one factor
• has more than 2 factors
• has 100 factors
• has exactly 2 factors: 1 and the number

Tags

CCSS.4.OA.B.4

A composite number ...

• has more than 2 factors.
• has one factor.
• has at least 10 factors.
• is always a really big number.

Tags

CCSS.4.OA.B.4

Which expression listed below shows the correct prime factorization of 120?

• 2³ x 3 x 5

• 2 x 2² x 5

• 2³x 3³ x 5

• 2² x 3 x 10

Use a factor tree to find the prime factorization of 42

• 4x4x3

• 6x7

• 7x3x2

• 5x4x2

Tags

CCSS.4.OA.B.4

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

Kelly uses the distributive property to write an expression equivalent to 18 + 36. Which of the following best represents Kelly's expression?

• 18(1+4)

• 9(2+4)

• 3(1+2)

• 6(2+6)

8(3 + 4) =

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

Tags

CCSS.7.NS.A.1D

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

• 2
• 4
• 5
• 10

Tags

CCSS.6.NS.B.4

Rewrite the sum of the numbers as the product of their GCF and another sum. 36 + 45 = ?

• 6(6 + 9)
• 3(12+15)
• 9(4 + 5)

Tags

CCSS.6.NS.B.4

Pick the correct order for Order of Operations

• Parentheses, Multiplication, Division, Addition, Exponents, Subtraction

• Exponents, Multiplication, Division, Addition, Parentheses, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

Tags

CCSS.7.NS.A.3