Adding/Subtracting Rational Numbers
1.3 + (-2)
-0.7
-5.11(1.4)
7.156
-30/ 6
-5
1/5
0.2 Terminating
Marcus is 5 13/24 feet tall. Ben is 5 1/16 feet tall. Which person is taller?
Marcus
9.5 + (−12) + (−9.5)
-12
0.16 / −0.2
- 0.8
20
2/3
0.66 Repeating
A diver went down 25.85 feet below the surface of the ocean, and then 14.5 feet further down, he then rose 12.45 feet. Enter and solve an expression to find the diver's new depth.
-27.9
−11.8 + 3.4 + 1
-7.4
−4(− 4/7)
2 2/7
-22 x -3
66
4/18
0.22 Repeating
The running back for the Bulldogs football team carried the ball 5 times for a total loss of 6 1/4 yards. Find the average change in field position on each run. Enter the average change as a simplified mixed number.
-1 1/4
− 2/9 − (−1)
7/9
28 / -1/7
-196
10 - (-10)
20
3/75
0.04 Terminating
The price of one share of a company declined $3.50 per day for 4 days in a row. What is the overall change in the price of one share?
−14
1/3 − (−2/3)
1
− 1/8 × 7 × 2/3
- 7/12
- 14 - 14
- 28
2 1/30
2.0333 Repeating
The ground temperature at an airport is 11 °C. The temperature decreases by 6.4 °C for every increase of 1 kilometer above the ground. What is the temperature outside a plane flying at an altitude of 5 kilometers?
−21 °C