What is the sum of a number and its opposite?

1.8 - 2.08 =

The fraction -8/5 is found between what integers on a number line?

Order these integers from least to greatest: 17, 1, 6, 9, 13, 0, 21, 3.

Lake Middle School is playing Ocean Middle School in football. Lake Middle gained six yards on the first play and eight yards on the second play. Then lost nine yards on the third play. What was the total yards gained or lost?

A bungee jumper dives off a bridge 114 meters above a river. Before the bungee stops her fall, she plunges 3 meters into the river. How long was her fall?

The highest elevation in a country is on a mountain 1232 meters above sea level, while the lowest elevation in the country is 27 meters below sea level. What is the difference between the elevations?

Mrs. Loomis went out to shovel snow off the driveway and noticed the temperature was 18° F‍. Yesterday, when she shoveled snow off the driveway it was 20° F cooler. What was the temperature yesterday when Mrs. Loomis shoveled the driveway?

A trout lurking 32 cm below the surface of a lake spies an insect flying 17 cm above the lake. How many centimeters would the trout have to jump in order to catch the insect?

Order the following numbers from least to greatest: -3.5, -12, 100, 0, 5, 1/2, -7

-5.9 - (-3.8) =

The warmest five consecutive days in Vladivostok, Russia, during March were −17°C, 1°C, −12°C, −9°C, and −2°C. Which list has the temperatures in order from coldest to warmest?

-3/8 + 1 3/5 =