Vocabulary
Algebra
Part of Math that uses letters to represent unknown quantities; helps represents math situations
5+ a = 17
12
Expression
A number, a variable or a combination of numbers, variable and operations; one side of an equation
Mike has to gain weight to reach his goal of 230 pounds. He is currently 165 pounds.
p + 165 = 230
p = 65
4 raised to the 3rd power
4^3
64
Variable
A letter that represents an unknown
-b + 10 = -14
-b = -24
Equation
A statement that 2 expressions are equal; MUST contain a equal sign
Tianna is listening to some music on a record for an unknown amount of time. She starts to keep track of the time and listens for an additional 7 minutes before the record is over. She spent a total of 35 minutes listening to the entire record.
x-7 = 35
or
35 + 7 = x
x= 42
7x + 3 = 2x + 13
x=2
Operation
math processes used to calculate
(add, subtract, multiply, divide)
5b = 15
b = 3
Inequality
A statement that 2 expressions are NOT equal; contain inequality symbols > < ≥ ≤
Attendance was taken before the bell in advisory. After the bell rang, 4 students came late and were marked off as present. There was a total of 27 kids present for the day.
x + 4 = 27
x = 23
4 (x + 3) - 2 = 6
x= 2
Model
Representation of a situation using math concepts like equations
24/a = 6
a = 4
Constraint
A limit or restriction
Max and Amy have 37 apps in total. If Amy has 21 apps, how many does Max have ?
m + 21 = 37
m= 16
Who taught Mr. Cunningham "tighten up" and where are they from. Extra points if you remember their name.
Mr. Cunningham's Aunt. She lives in Florida. Her name is aunt Dot or Aunt Dorothy