Opposites
What is the opposite of -10?
10
45 __ 60
< or less than
Graph the set of integers {−7,−3,0,2, 4} on the number line.
Ms. Fegley will check your number line.
2 parts
Evaluate |−13.95|.
This is the number of units away from _______.
13.95
It is 13.95 units away from 0
If I dropped a coin into a well and it fell 20 feet. What interger would I use to represent this situation?
-20
What is the opposite of 78
-78
-12 ___ 5
< or less than
Graph the set of rational numbers {−1.5, 0.7} on the number line.
Ms. Fegley will check
The Salton Trough, between the U.S. and Mexico, is at an elevation of −69 meters. In the Karakum Desert, there is a depression that is located at an elevation of −105 meters.
Which elevation is closer to sea level.
-69 is closer to sea level
- [- (8)]
8
- [ - (-5 )]
(opposite of an opposite of -5)
-5
Which inequalities are correct? Select all that apply.
O −14 >−16 O −3 > 4
O −51 > −87 O 0 < −6
-14 > -16,
−51 > −87,
Graph the set of rational numbers on the number line {−1 1/2, −3/10}
Ms Fegley will check
A submarine ascends to the water’s surface. Half of the submarine stays submerged while the other half, which is about 40 feet, is above the water. What integer represents the depth of the bottom of the submarine? Explain your reasoning.
-–40; The opposite of +40 is –40, If the top half of the submarine reaches a height of 40, then the depth is located at –40.
Order these numbers from least to greatest.
(-1 1/2), (7), 0, (-5), 2
-5
-1 1/2
0
2
7
- [ - (-25 )]
-25
Complete the statement to make it true.
−5/8 > = < –0.76
-5/8 (-0.62) > -0.76
The changes in runners’ goals and their actual times are shown in the table. Order the changes from least to greatest.
Runner Change (min)
Sean –4.5
Lacy 150
Maura 2.73
Amos −210
Amos -210
Sean -4.5
Maura 2.73
Lacy 150
One winter night, the temperature outside was 3°F. Overnight, the temperature dropped to –17°F.
How many degrees did the temperature drop?
20 degrees
A drone started at 20 feet in the air and landed in a ditch that was -3 feet. How man feet did the drone travel to land?
23 feet
The building is 20 feet and the builders want the basement levels to be the same distance underground. What integer represents the basement depth.
-20
The Salton Trough, between the U.S. and Mexico, is at an elevation of −79 meters. In the Karakum Desert, there is a depression that is located at an elevation of −115 meters.
Complete the inequality to compare the two values.
_______ > ________
-79 > -115
The table shows the melting points to the nearest degree Celsius for six substances. Chlorine fluoride melts at –154°C. Between which two substances is the melting point of chlorine fluoride?
Substance Melting Point (°C)
Hydrogen –375
Acetic acid 14
Ammonia –54
Nitrogen –121
Octane –35
Water 0
It is between Nitrogen and Hydrogen
Diego released a balloon from a window. NO helium. The location of the window is represented by 0 yards. The location of the balloon after Diego released it is represented by −13 yards.
Which statement best describes the situation.
A. The balloon rose 13 yards.
B. The balloon fell 13 yards.
C. The balloon remained at the height of the window.
D. The balloon rose 13 yards and then fell 13 yards.
B. The balloon fell 13 yards.
Graph the set of rational numbers {−1.8, 0.4} on the number line.
Teacher will Check