Adding and Subtracting Decimals Answers

What is the value of –112.84 – 54.14 – (–29.18)?

What is the difference of –89.16 – 154.81?

While scuba diving, Rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. What expression can be used to find Rajeev’s new position?

Nadia is mountain climbing. She started at an altitude of 19.26 feet below sea level and then changed her altitude by climbing a total of 5,437.8 feet up from her initial position. What was Nadia’s altitude at the end of her climb?

What is the sum of –356.1 + 258.6?

The closing amount of the Dow Jones Industrial Average on the stock market for four days is shown in the table below. DateClosing amount (in points)01/2713,895.9801/2813,881.9301/2913,954.401/3013,860.42Which best represents the greatest amount of change that took place from one day to the next day over the four-day period?

Which number line correctly shows –3 – 1.5?

Lori had $126.89 in her bank account. She deposited $21.49 into it and then wrote a check for her car repairs for $156.61. What was the ending balance in her account?

Which expression is represented by the number line?

The times for Erin’s five laps around the track were 56.6 seconds, 57.9 seconds, 57.5 seconds, 65.3 seconds, and 65.7 seconds. Using rounding to the nearest whole second as the only estimation technique, what is the total estimated time for Erin’s five laps in seconds?