Show:
+ Integers with Same Signs
+ Integers, Different Signs
Subtracting Integers
Scaly Stuff
This and That
100
6 + 2
8
100
(-2) + 4 =
2
100
1-1
0
100
If a map scale is 1 inch= 20 yards, what would 5 inches represent?
100 yards
100
True or False: The number "zero" is an integer.
False.
200
101 + 27
128
200
(-4) + 20
16
200
(-1) - 1 =
- 2
200
Name two places you would find a scale factor.
Map; floorplan
200
True or False: The ordered pair (+5, +8) is found in Quadrant 1.
True.
300
(-2) + (-5) =
- 7
300
5 + (-7) =
- 2
300
1 - (- 1) =
2
300
On a map, it is 4 inches from Tulsa to Little Rock. If the scale on the map is 1 inch = 25 miles, how far is it from Tulsa to Little Rock in miles?
100 miles
300
Define "absolute value".
How far a number is from zero.
400
(-18) + (-3) =
- 21
400
(-15) + 25 =
10
400
2 - (-10) =
12
400
One inch on a floor plan represents 3 feet. If the wall of a bedroom is 5 inches on the floorplan, how many feet long would it be in real life?
15 feet
400
Two planes that intersect at a right angle are called what?
perpendicular planes
500
(-2) + (-4) + (-6) =
- 12
500
Explain how to add integers with different signs.
Find the difference (subtract). The answer will have the sign of the number with the largest absolute value.
500
What does KCC stand for, when subtracting integers?
Keep the first number Change the - sign to a + sign Change the second number to its opposite
500
One inch on a floor plan represents 3 feet. If the actual length of a bedroom is 12 feet, how many inches long would it be on the floorplan?
4 inches
500
Two planes which never intersect
parallel planes