Vocabulary
This type of math problem has no equal sign.
Expression
2x + 1 = 5
x=2
Simplify:
3(x+2)
3x + 6
Write an equivalent expression to 83.
8x8x8
512
The cost of renting a truck is $40. An additional $0.79 is charged for each mile, m, the the truck is driven.
Which expression can be used to determine the total cost, in dollars, or renting a truck?
A) 40m-0.79
B) 40m+0.79
C) 0.79m-40
D) 0.79m+40
D) 0.79m+40
This type of math problem has an equal sign
Equation
x/3-4=11
x=5
4 (m + 9)
4m+36
3/5 of students in school are in sixth grade
a. How many 6th graders are there if the school has 50 students
b. How many sixth graders are there if the school has 35 students?
a: 30
b: 21
Marshall took $36.75 to a fair. Each ticket into the fair costs x dollars. Marshall bought 3 tickets. Which expression represents the amount of money, in dollars, that Marshall had after he bought the tickets?
A) 36.75 - (3+x)
B) 36.75x - 3
C) 36.75(3) - x
D) 36.75 - 3x
D) 36.75 - 3x
What is the acronym for order of operations?
PEMDAS
3+4^t
Evaluate the expression when t is 1
Evaluate the expression when t is 3
t=7
t=67
20(20+2x)
400+40x
3 + X = 8
X= ?
x =5
During a sale, all pillows are 1/4 off original price.
Which expression shows the amount of money saved on a pillow that had a regular price of d dollars?
A) d / 4
B) d x 4
C) d+4
D) d-4
A) d/4
Another word for the letters used in expressions and equations
Variable
x/10 = 3
30
5(2𝑥 + 14)=
10x+70
What is 75% of 26?
19.5
Which verbal expression best represents the algebraic expression 3n-4?
A) three less than 4 times a number
B) four less than 3 times a number
C) three times 4 subtracted from a number
D) four times the difference of a number and 3
B) four less than 3 times a number
What type of math where numbers and symbols are used to formulate expressions and equations.
Algebra
20 = x + 4
16
Evaluate 7r−15/s when r =3 and s=5
18
What is 2^6?
64
Select the expression that is equivalent to 48+12
A) 6(8+6)
B) 12(4+1)
C) 4(44+3)
D) 8(6+4)
B) 12(4+1)