Vocabulary
What do you call a letter used to represent an unknown number in math?
a VARIABLE
Write as an algebraic expression:
a number less 14
n - 14
Evaluate
6y when y = 5
30
Write in expanded form:
75
7.7.7.7.7
How many terms does the following expression have?
3 x - 4 y + 9
3
Write as an algebraic expression:
The sum of a number and 5, divided by 2
(x + 5)/2
Evaluate
3b - 4a when a = 2 and b = 3
1
Write in standard form:
34
81
What is the constant in the following expression:
10 + 6x - 4y
10
Write as an algebraic expression:
Sara made a bunch of cookies. She ate three and then divided the rest between 5 of her friends.
(n - 3)/5
Evaluate
4(3x - 8) when x = 4
16
How much bigger is 109 compared to 106?
1000 times bigger
Name the coefficient in the following expression:
2y + 8
2
Write an algebraic expression that represents the value of the car after t years:
Jorge bought a car for $12,000. It goes down in value $750 each year
12000 - 750t
Evaluate
(3y)2 - 5 when y = 2
31
Evaluate:
63 - 33