Draw a coordinate plane on the board. Both the x-axis and y-axis should go to positive 5 and negative 5.
Show on board.
100
Evaluate. /-8/ - /-5/
/-8/ - /-5/ = 8-5 = 3
200
Evaluate. /-11/
/-11/ = 11
200
-4 + -7 = ?
-11
200
(-4)^3 = ?
-64
200
When reading ordered pairs, which coordinate is on the left? Which coordinate is on the right?
Left = x-coordinate; Right = y-coordinate
200
Evaluate the expression if a=-8, b=-5.
-2ab
-2ab = -2(-8)(-5) = 16(-5) = -80
300
Write an integer for the following situation. The average temperature in Washington, D. C. for May was 7 degrees below normal.
-7
300
-12 - (-35) = ?
23
300
18/-6 = ?
-3
300
What is the x-axis, horizonatal or vertical? What is the y-axis, horizontal or vertical?
x-axis = horizontal (left and right); y-axis = vertical (up and down)
300
Evaluate the expression if s=-3, r=5
-rs^2
-rs^2 = -5(-3^2) = -5(9) = -45
400
Greater than, Less than, or equal to? /7/ ? /-7/
/7/ = /-7/
400
8 + (-6) = ?
2
400
6/-1
-6
400
Graph the ordered pair, B (5, 2), on the coordinate plane.
Show on board.
400
Evaluate the expression if s = -4
-s-2
-s-2 = -(-4)-2 = 4-2 = 2
500
Write the following set in order from least to greatest.
{1, -1, /-2/, -7, -5, /3/, 5}
-7, -5, -1, 1, /-2/, /3/, 5
500
A mountain climber descends 20 feet into a canyon, then climbs up 14 feet. Write an expression for this situation then evaluate the expression.
-20 + 14 = -6 ft.
500
DAILY DOUBLE!!!!!!!!
An orca whale dives towards deeper water at a rate of 8 feet per second. It continues for a total of 16 seconds. Write an expression for this situation and evaluate the expression.
-8(16) = -128 ft.
500
Graph the ordered pairs and state in what quadrant or on what axis they are located: J (-2, 1) , M (-5, -5), A (0, 4)