- 1. The record low temperature in Springfield through 1997 was 40°𝐹 below 0. The record high temperature was 100°F. Write each temperature as an integer.
A) 40, 100
B) 40, -100
C) -40, 100
D) -40, -100
- 2. Write the integer to match the situation: Jason withdrew $15 from the bank.
A) -15
B) !-15!
C) 15
D) +15
- 5. Which expression has a value of -18?
A) 20-(-2)
B) -9-(-9)
C) -5-13
D) 7-23
- 6. Which expression does not have a value of 3?
A) -13-(-16)
B) -16-(-11)
C) 1-(-2)
D) 19-16
- 7. A mine worker is in a tunnel 15 feet below the ground. He descends another 8 feet. What is his final position?
A) 23
B) -23
C) -7
D) 7
- 8. A roller coaster begins at 45 feet above ground level. Then it descends 52 feet. Find the height of the coaster after the first descent.
A) -7
B) 7
C) 97
D) -97
- 11. A scuba diver is swimming at a depth of -8 feet. She dives down to a coral reef that is at three times this depth. What is the depth of the coral reef?
A) -24
B) -11
C) !-11!
D) 24
- 15. Write the following expanded form into exponential form: (-3)(-3)(-3)(-3)
A) -81
B) 81
C) (-3)4
D) -12
- 18. The Bobcats football team gained 15 yards on their first play then lost 9 yards on the next play. Write an addition expression to represent this situation. Find the sum and explain its meaning.
A) 15 + 9
B) 15+(-9)
C) 15 + 9
D) -15 +(-9)
|