Vocabulary
This type of math problem has no equal sign.
Expression
2x= 5
x=2.5
Simplify:
3(x+2)
3x + 6
Write an equivalent expression to 83.
8x8x8
512
This type of math problem has an equal sign
Equation
x/3=11
x=33
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
What is the acronym for order of operations?
PEMDAS/GEMS
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
Another word for the letters used in expressions and equations
Variable
Write an equation and find the solution for the following situation: Harlow made cupcakes for a party. 10 people grabbed a cupcake. At the end there was only 3 cupcakes. How many cupcakes did Harlow make?
x-10 = 3
13
5(2𝑥 + 14)=
10x+70
What is 75% of 26?
19.5
What type of math where numbers and symbols are used to formulate expressions and equations.
Algebra
Write an equation and find the solution for the following situation: Bryan had 21 clubs at his middle school. This was 3 times the amount of clubs at his cousin Carson's school. How many clubs did Carson's school have?
3x=21
x=7
Evaluate 7r−15/s when r =3 and s=5
18
What is 2^6?
64