Vocab Flashcards
1
Q
Expression
A
a math phrase (no equal sign)
2
Q
Numerical expression
A
A math phrase with only numbers
3
Q
Variable expression
A
A math phrase with at least one variable
4
Q
Variable
A
A letter or symbol that represents an unknown number
5
Q
Coefficient
A
A number being multiplied by a variable
6
Q
Constant
A
- A number on its own
- a term with no variables
- always written last in an expression
7
Q
Terms
A
A single number or a variable or numbers and variables multiplied together and separated by plus and minus signs
8
Q
Simplify
A
To find the value of a numerical expression
9
Q
Evaluate
A
To find the value of a variable expression (always use parentheses when plugging in the value into the expression)
