Prime Factorization & Properties
Which of the following is not an example of prime factorization?
a. 2 • 3 • 5
b. 2 • 33
c. 7 • 11
d. 32 • 13
b. 2 • 33
Simplify the expression 2(8x + 10) using the distributive property.
16x + 20
x + 6 = 20 Name the inverse operation that will isolate the variable.
Subtract 6
Evaluate the expression :
70 ÷ 7 - 6 + 7 + 9 + 8 - 2
26
Which of the following are integers?
4.5
6/3
18
-7
6/3 = 2
18
-7
Which property applies to the equation (11 + 5) + 8 = 11 + (5 + 8) ?
Associative Property
Simplify the expression 8(4x + 9) using the distributive property.
32x + 72
There is an open circle on 10 and the arrow is pointing left. How would you write this inequality?
a. x < 10
b. x ≤ 10
c. x ≥ 10
d. x > 10
a. x < 10
Evaluate the expression :
7 - 9 + 32 ÷ 2 × 4 × (9 - 6)
190
Classify Numbers: Which of the following are whole numbers?
0
-13
-15/3
80%
0
To find the solution to 49+83+51, a crewmember first found the sum of 49 and 51 to be 100. He then added 83 to get the total of 183. Which property did the crewmember use?
Commutative Property of Addition
Simplify the expression 3(5x - 2) using the distributive property.
15x - 6
9x = 108 Name the inverse operation that will isolate the variable.
Divide by 9
Combine like terms to simplify the expression :
3 + 3x + 7 + 5x + (-2)
8x + 8
Which of the following are JUST rational numbers?
-2.3
18/9
15
-8
-2.3
Write the prime factorization of 117 in exponential form.
32 • 13
Which expression represents five times a number divided by four?
a. (5 x 4) ÷ 4
b. 4 ÷ 5n
c. 5 ÷ 4
d. (5n) ÷ 4
d. (5n) ÷ 4
I have a closed circle on 3 and my arrow is pointing right. How would I write my inequality?
a. x < 3
b. x ≤ 3
c. x >3
d. x ≥ 3
d. x ≥ 3
Combine like terms to simplify the expression :
3y + 2x + 7 + x + 2y
5y + 3x + 7
Which of the following are both rational numbers and integers?
-53.0
7.5
-18/3
75%
-53.0
-18/3 = -6
What is the prime factorization of 128?
27
Which expression represents the sum of w cubed and ten?
a. lw+10
b. 10w
c. w3 + 10
d. w2 + 10
c. w3 + 10
13 = -8 + x Name the inverse operation that will isolate the variable.
Add 8
Evaluate the expression :
82 ÷ (23 - 2 - 1 × 2) - 2 - 6
8
What is the definition of a rational number?
a. The set of all positive counting numbers starting with 0
b. The set of whole numbers and their opposites
c. Numbers that can be written as fractions, terminating decimals, and repeating decimals
d. None of the above
c. Numbers that can be written as fractions, terminating decimals, and repeating decimals