Exponents
Order of Operations
Substitution
Variables & Expressions
Equivalent Expressions
100
Identify the base and the exponent of the following: 74
Base: 7
Exponent: 4
100
What is the acronym used for the order of operations?
PEMDAS
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
100
What is substitution?
Replacing a variable with the value given in order to evaluate an expression.
100
Write an expression for the following statement:
the sum of 6 and a number y
y + 6 or 6 + y
100
Write an equivalent expression to 7x - 3x
4x
200
Write 5 x 5 x 5 x 5 x 5 x 5 in exponent notation.
56
200
Evaluate:
6 + 2^3 * 4 - 7
31
200
Evaluate the expression when x=10:
39-3x
9
200
Write an expression for the following statement:
the product of 10 and a number a
10a
200
What simplified expression is shown in the following picture?
3y + 4
300
Write 86 in expanded form.
8 x 8 x 8 x 8 x 8 x 8
300
Evaluate:
(4*9+5)-2^3
33
300
Evaluate the expression 6a - 3 - 5b when a = 7 and b = 3
24
300
Write an expression based on the following statement:
four more than two times a number x.
2x + 4
300
Simplify the following expression:
2x + 5y - 3y + 4x
6x + 2y
400
Evaluate 32
32 = 3 x 3 = 9
400
What is the value of the following expression:
5
400
Find the value of the expression when x = 7:
6x + (3x-5)
58
400
Mr. Lopez’s workout time is 12 minutes longer than 1/3 of Coach Rivera’s workout time, w. Write an expression that can be used to determine the length of Mr. Lopez’s workout?
1/3w+12
400
a and c
500
Which is greater: 43 or 34
34 because 43 = 64 and 34 = 81
500
A mistake was made while solving: 3 + (8 x 2) ÷ 22 First, find the mistake. Then, find the correct value.
Mistake: Step 2
Correct Value: 7
500
Tickets for a zoo cost $8.00 for a child and $15.00 for an adult. The expression 8c+15a can be used to determine the cost of c child tickets and a adult tickets.
How much would it cost to buy 4 child tickets and 6 adult tickets?
$122
500
Sammi has 4 more than 3 times the number of pens, p, that Greg has.
Write an expression that can be used to determine the number of pens that Sammi has.
3p + 4
500
Create an equivalent expression to 24x + 20
Answers vary.