Math Words
Negative Numbers
Simplifying Expressions
Potpourri
Properties of Multiplication
100
If I were to tell you to find the difference between two numbers, what does that mean?
Subtraction.
100
A negative times a negative is a...
Positive.
100
Simplify: 2x + 5x + 2x
9x
100
What does it mean to find the perimeter?
Find the length of all the sides of the shape added together.
100
What is the 'zero property'?
Anything multiplied by zero is zero.
200
What are two math terms that would represent multiplication?
Times, multiply, groups of, of,...
200
A positive times a positive is...
A positive.
200
Simplify: 2x+4x+5+4x
10x+5
200
Are these equivalent? 6(x+5) AND 6x+30
Yes
200
What is the 'property of one'?
Anything multiplied by one is itself.
300
What does 'combine like terms' mean?
Like terms are the terms that have the same variable. Therefore, if you were combining like terms, you would combine the terms with the same variable.
300
A positive times a negative is...
Negative.
300
Simplify: 2y+5y-4-2
7y-6
300
What does it mean to find the area of a shape?
Find the length times width (how much is covered by surface).
300
What is the commutative property? Give an example.
Flip flop those factors. 2x4=4x2
400
What is a coefficient? If a variable doesn't have a coefficient written, what is the coefficient?
The number multiplied by a variable. The coefficient, if not listed, is one.
400
A negative times a positive is...
A negative.
400
Simplify: 2(4x-5)
8x-10
400
Are these equivalent? 3(y-6) AND 18-3y
No.
400
What is the associative property? Give an example.
Change the grouping order. 2x(4x3) = (2x4)x3
500
Give five examples of words that represent addition.
Total, altogether, and, sum, both, combined,...
500
Why is it important to look at the sign in front of the number you are multiplying by?
That will tell you if the product is going to be positive or negative.
500
Simplify: 2(x-y+5-2)
2x-2y+6
500
Simplify this expression: 4(3z+7) +5(8+6z)
42z+68
500
What is the distributive property? Give an example.
Break one factor down. Ex: 4(5+3)
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