Addition of Rational Numbers
(-6) + (-15)
28
If diameter is 26 meters, what is the radius?
13 meters
What makes a graph proportional?
Straight line and starts at the origin
Absolute Value of -35
35
15 - (-38) + 64 + (-52) = ?
65
(-3 1/2) - 7 (2/3) = ?
-11 1/6
Circumference = 28 (pie)
What is the diameter?
28
Points on a graph are (0 , 0) (0.25 , 4) (1, 16) (2, 32)
What is the unit rate (constant of proportionality)?
1 unit per 16
Definition of Absolute Value
A numbers distance from 0
The temperature outside is -45 degrees. After sunrise the temperature rises by 26 degrees. After sunset it decreases by 12 degrees. What is the final temperature?
-31 degrees
Julia has -53 points in round one of her game. She loses 42 points during round two. Then round three she gains 83 points. What is her final score?
-12 points
Radius is 7 meters. What is the exact area of the circle?
49 (pie)
5 oranges at the store cost 20 dollars. (inflation) What is the unit rate of oranges?
1 orange costs 4 dollars
Absolute value of 6 - 13
7
What is 3 (3/4) + (-5 3/6) ?
- 1 (9/12) or -1 (3/4)
On a number line, what is the distance between -31 and -6?
25
Circumference = 46 (pie)
What is the radius?
23
Frank walks for 3 hours. His rate is 9 minutes per mile. Using t for minutes and m for miles. Write an equation for this situation.
9 x m = t
Absolute Value of 29 - 73
44
A helicopter flies over a city. The helicopter changes its altitude by -56.3 m. Then changes its altitude by another - 17.2 m. What is the total change of altitude?
- 73.5 meters
Ms. Jetty writes two expressions on the board. (-23) - (-41) and (-63) - (-29). Which expression is less?
(-63) - (-29) = -34
Circumference = 18 (pie)
What is the exact area of the circle?
81 (pie)
17 x time (hours) = miles
is the equation for a situation. How far would someone get if they traveled for 5 hours?
85 miles
Jake traveled 46 miles to the store. Then Jake drove home. What is the absolute value of the miles Jake traveled?
92 miles