Expressions
a mathematical phrase that contains operations, numbers and/or variables
Coefficient
the number that is multiplied by the variable in an algebraic expression
Constant
A value that does not change
Equation
A mathematical sentence that contains an equals sign and shows that 2 expressions are equivalent.
Greater Than
a symbol to show a one value is greater than the other (>)
Inequality
A mathematical sentence that shows the relationship between quantities that are NOT equivalent
Integers
All whole numbers (both positive and negative) and zero.
Less Than
(<) is the symbol used to compare two numbers, with the smaller number given first
Operations
addition, subtraction, multiplication & division
Solution
an answer to a mathematical question
Variable
A letter used to represent one or more numbers
Isolate The Variable
The process used to solve an equation or inequality by adding, subtracting, multiplying or dividing both "sides" to reach a solution such as x=3 or y>10
Substitution
To replace a variable with a number in an algebraic expression
Sum
The result of adding numbers together.
Difference
The result when we subtract two numbers.
Product
The result when we multiply numbers.
Quotient
The result when we divide two numbers.
Inverse Operations
These "undo" each other: addition undoes subtraction and multiplication undoes division.