Math Operations
Math Wordz
Unit 6
100
What math operation do you use to find the sum?
Addition
100
What is the point (0,0) called?
The origin
100
What is a variable?
A letter (or symbol) that represents one or more numbers
200
What math operation do you use to find the difference?
Subtraction
200
What is an equivalent ratio?
Use words or give an example.
A comparison of two quantities with the same value
3/4 = 12/16
200
Write an expression equivalent to
10x – 5
Answers vary:
5(2x –1)
5x + 5x – 3 – 2
300
What is the difference between an expression and an equation? Give an example
An equation is a mathematical sentence that contains an equal sign between two expressions
Expression: 5 + 7
Equation 5 + 7 = 12
300
What is the coefficient of the following expression:
3x + 5
3
300
How many terms does the expression
4y + 6x + 5x - 2y contain?
4 terms
400
What does it mean to simplify a fraction?
Answer in words or give an example
To reduce a fraction by dividing the numerator & denominator by their GCF
400
What is a variable?
A letter or symbol that represents a value
8th grade : A letter or symbol that represents a value that changes
400
What are like terms?
Terms that contain the same variable, raised to the same power.
500
What is the reciprocal of –7?
–1/7
500
What are parallel and perpendicular lines?
Give an example of where you would find each type of line in the real world.
500
How do you apply the distributive property?
(in words or give an example)
Multiply the term on the outside of the parentheses to all terms inside the parentheses
ex:
2(x+1) = 2x+2