Integers
3+5
8
What do we call a letter that stands for a number?
Variable
Simplify: x +3 +2
x+5
You have $10 and spend $4, How much is left?
$6
7-4
3
What the answer to a multiplication problem called?
What is 2 + 3 x 2
8
A pizza cost $8. How much for 2 pizzas?
$16
5 x (-2)
-10
What do we call a number by itself in an expression (like 5 in x+5)
Constant
if x =2, what is x +4
6
You earned $12 per hour. You worked 3 hours. How much was your total?
$36
-6 - (-4)
3
What do we call numbers you can multiple together to get another number?
Factors
If y = 5, what is 2y+3(5)
25
You share 12 cookies with 3 friends.How many each?
4
(5-2)^2
9
What do we call the number in front of a variable (like 3 in 3x)
Coefficient
Simplify: 4(x +2)-2x
2x +8
A pencil cost $.50. You want 10. How much money do you need.
$5