Unit 5 Adding and Subtracting Rational Numbers

Here is a set of signed numbers: 10, -6, 1/4, -0.5, 0.5, -1/8, -1

If these numbers represent temperatures in degrees Celsius, which is the coldest?

Which other expression has the same value as 14 - 20?

• 14 + -20

• 14 + 20

• -14 + 20

• -14 + -20

The Tigers football team gained 5 yards, lost 10 yards, and then lost 5 more yards. What is the total result of these plays?

• a gain of 10

• a loss of 10

• a gain of 20

• a loss of 20

What is the sign for the sum of -5.687 + 3.879

• neither positive or negative

• positive

• negative

• Not enough information

Clare has $175 in her bank account. She buys a bike for $300. What is Clare's account balance now?

Airport A has an elevation of 10, 500 feet above sea level. Airport B has an elevation of 250 feet below sea level. What is the difference between the elevations of these airports?

• 10750

• 10250

• -10250

• -10750

Precipitation for the month of March was 5 1/4 inches less than average. Precipitation for the month of April was 3 1/2 less than average. What is the total for both March and April.

• -2 1/4

• -8 2/6

• -8

• -8 3/4