Important Terms
Simplifying
Equivalent or Not?
Evaluation
Writing Expressions
100
A letter that stands for a numerical value
Variable
100
5a +a + 3 + 12
6a +15
100
x + x + x= 4x
NOT!
100
Evaluate if n=3 2n- 5
1
100
The product of n and 8
8n or (n x 8)
200
In an expression, a number that stands alone
Constant
200
2x + 4 + x + 13 -5
3x + 12
200
3y + 2b + 1 = 2y + b + 1 + b + y
Yes!
200
Evaluate if n= 6 2n + 3 -4
9
200
5 less than a number
n-5
300
An expression that uses numbers, operations, and variables
algebraic
300
4(x -6) + 2(x -4)
6x-32
300
7(2a +1) - 3 = 14a -3
No!
300
Evaluate if n= 8 4n + 3(n+2) -11
51
300
The quotient of three times a number and 7
3n / 7
400
A number that is attached to a variable
coefficient
400
7(3a -11) + 3(a-5) - 4
24a -96
400
3( 3a -2) + a -5 = 5a -11 + 5a
YES!
400
Evaluate if n = 34 5n - 3n + 3 + n
105
400
A number cubed, divided by the sum of twice a number and 3
n^3/ (2n +3)
500
Write and label 3 examples of 3 different properties
answers can vary
500
9(2a-4)-4(a +2) -14a
-44
500
1/2(20x +4) + y -3 = 10x +y +1
NO!
500
Evaluate if n =10 4(n x 7) -24 + 2n
276
500
The sum of a number cubed and the opposite of a number, squared
(n^2 -3)^2
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