Definitions
Whole numbers and their opposites
Integer
Which is greater -5_____-17
-5
What is the opposite of -8
|-6| =
6
What quadrant is the point (-3, 7) located in?
Quadrant 2
The distance a number is from Zero.
Absolute Value
What integer best represents this situation?
It is 10 degrees below zero outside.
-10
Opposite of 23
-23
-|-3| =
-3
On a whiteboard or blank sheet of paper, sketch a coordinate plane. Label the 4 quadrants and the x and y axis. Also plot the point A (4, -1).
Teacher will check responses.
The four regions of the coordinate plane.
Quadrants
Put these integers in order from least to greatest. -6, 0, -1, 3, -17
-17, -6, -1, 0, 3
Which is greater, 5 feet below sea level or 4 feet below sea level?
Take your answer and find it's opposite.
4 feet below sea level
It's opposite is -4
|2| + |-2| =
4
What is the reflection of point M (1,9) over the x-axis?
(1, -9)
The horizontal number line on a coordinate plane.
The x-axis
What integer describes each situation?
A loss of 6 yards
A weight gain of 12 pounds
15 feet below sea level
The ground
-6
12
-15
0
True or False: Opposites are always negative.
False
|14|
14
What is the distance between M (3, 8) and N (-10, 8)
13
A transformation that is a mirror image with points the same distance from the line of reflection.
Reflection on the Coordinate Plane
-12, 7, -11, 8, 9
9, 8, 7, -11, -12
What is the definition of opposite numbers?
|-5| ____ |-2|
Use < , > or =
>
What is the distance between L (-2, -7) and K (-2, -5)
2