Solve the equation
Combining "like" Terms
Slope
Writing Equations
Riddles!
100
What is the acronym to remember order of operations?
PEMDAS
100
True or false?
You can combine terms that have different variables.
False
You can only combine terms that have the SAME EXACT variables!
100
What is the equation we use to find the slope from a graph?
Slope = Rise / Run
100
What is the linear equation? (equation of a line)
y = mx + b
100
What gets wetter and wetter the more it dries?
A towel!
200
Which part has to be solved first?
7 * 8 + (24 ÷ 8 * 4)
Division
24 ÷ 8
200
Why does this example NOT equal 5 bananas? 
Because you cannot add apples and bananas, just like you cannot add variables that are not the same.
3 apples + 2 bananas = 3 apples + 2 bannas
2x + 3y = 2x + 3y
200
Find the slope:
-1/2
Slope = Rise/Run = -1/2
200
What is the variable for the y-intercept?
b
y = mx + b
200
What is always in front of you but can't be seen?
The future!
300
Solve:
3 + (2+5)2
52
3 + (2+5)2
3 + 72
3 + 49
52
300
Solve:
3x + 2x - x + 5y + 6y = ?
4x + 11y
3x + 2x - x + 5y + 6y = ?
4x + 5y + 6y = ?
4x + 11y
300
What is the slope? 
2
Slope = Rise / Run
Slope = 2/1 = 2
300
What is the linear equation if the slope is 3 and the y-intercept is 7?
y = 3x + 7
300
What has holes all over but still holds water?
A sponge!
400
Solve:
(31 - 11) ÷ 5 + 2
6
(31 - 11) ÷ 5 + 2
20 ÷ 5 + 2
4 + 2
6
400
Solve:
6r + 9r - 2r - 13n = ?
13r - 13n
6r + 9r - 2r - 13n = ?
13r - 13n
400
Find the slope
2
Slope = Rise / Run
Slope = 5/2.5 = 2
Slope = 10/5 = 2
400
y = -2x + 1
What is the slope?
What is the y-intercept?
Slope = -2
y-intercept = 1
400
What invention lets you look right through a wall?
A window!
500
Solve:
2(9 - 2 + 3) ÷ 22
5
2(9 - 2 + 3) ÷ 22
2(7 + 3) ÷ 22
2(10) ÷ 22
20 ÷ 4
5
500
Solve:
8x2 + 2y - 15x + 3x2 + 7y = ?
11x2 + 9y - 15x
8x2 + 2y - 15x + 3x2 + 7y
11x2 + 2y - 15x + 7y
11x2 + 9y - 15x
500
Find the slope
5
Slope = Rise / Run
Slope = 20/4 = 5
500
What is the equation of this line?
y = -1/2x + 3
Slope = rise/run = -1/2
y-intercept = 3
500
How do 2 trains both pass through a single track tunnel at 7:00?
One passes in the AM and one passes in the PM.