Vocab
Descend
Moving in the negative direction.
Sarah owes $52 for a phone bill and then she pays $52 for a phone bill. Write an equation to represent this situation and solve.
0
Simplify: 5a + (-2a)
3a
Debt or Overdrawn
In a bank account to owe money (negative value)
A diver is at 30 meters below the surface of the water. He goes up 18 meters. What is is final location written as an integer
-12
-7h + (-4h)
-11h
Opposite
The opposite of a number is the same distance from zero as the original number on the other side of the number line.
-19 + (-12)
-31
The temperature is 4°C at noon. The temperature decreases 11°C at 2:00 in the morning, then it goes up 6°C at 6:00. What is the final temperature at 6:00 in the morning?
-1
Evaluate: if a = -12 and b = 8
a - b
-20
Integer
-16+18+-17
-15
Lacey parked in a downtown underground parking lot on level 5. She then went above the street level to her favorite store on the third floor of a building. How far did she travel?
8 floors
Simplify:
9g - (-5g) - 4g
10g
Rational Number
A number that can be written as a ratio (a fraction) of two integers as long as the denominator is not zero.
-19 + 20 - 8 + 4
-3
A mountain climber starts at sea level (0). The climber then ascends 450 m, descends 620 m, then ascends 210 m. What integer represents her final elevation?
40
Evaluate if r = -9 and t = 11
1 + t - r - 13
8