Lesson 01: Positive and Negative Numbers | Unit 7: Rational Numbers

Multiple Choice

Is a temperature of -11 degrees warmer or colder than a temperature of -15 degrees?

• Warmer

• Colder

Multiple Choice

Is an elevation of -10 feet closer or farther from the surface of the ocean than an elevation of -8 feet?

• Closer

• Farther

Multiple Choice

It was 8 degrees at nightfall. The temperature dropped 10 degrees by midnight. What was the temperature at midnight?

• 0 degrees
• -2 degrees
• 5 degrees
• -5 degrees

Multiple Choice

A diver is 25 feet below sea level. After he swims up 15 feet toward the surface, what is his elevation?

• -10 feet
• -20 feet
• -5 feet
• 0 feet

Multiple Choice

A whale is at the surface of the ocean to breathe. What is the whale’s elevation?

• 50 meters
• 10 meters
• -5 meters
• 0 meters

Multiple Choice

The whale swims down 300 feet to feed. What is the whale’s elevation now?

• -150 feet
• 300 feet
• -300 feet
• 0 feet

Multiple Choice

The whale swims down 150 more feet. What is the whale’s elevation now?

• -300 feet
• -150 feet
• -1500 feet
• 0 feet

Draw

Plot each of the three elevations as a point on a vertical number line. Label each point with its numeric value.

Multiple Choice

Represent each of these temperatures in degrees Fahrenheit with a positive or negative number. - 5 degrees above zero - 3 degrees below zero - 6 degrees above zero - $$2\frac34$$ degrees below zero

• [5, -3, 6, -2.75]
• -4
• 4
• -1.5

Multiple Choice

Which of the following lists the temperatures from the coldest to the warmest?

• -10°C, 0°C, 15°C, 30°C
• 15°C, 30°C, 0°C, -10°C
• 0°C, 15°C, 30°C, -10°C
• -5°C, 10°C, 20°C, 25°C