Adding and subtracting rational numbers

The temperature in the morning was  $-2\frac{1}{2}$ °F. By the afternoon, the temperature was 0.2°F. What was the change in temperature from the morning to the afternoon? 

• -4.2°F

• -2.3°F

• 2.3°F

• 12°F

• 2.7°F

Tags

CCSS.7.NS.A.1C

What is the distance between -7 and -3 1/2?

• -4 1/2

• -12 1/2

• 4 1/2

• 12 1/2

Tags

CCSS.7.NS.A.1C

Parts of Nevada have elevation of -4 ft. Parts of Arizona lies at 13 ft above Sea level. What is the difference in elevation?

• -17

• 17

• 7

• 9

Tags

CCSS.7.NS.A.1C

Distance from zero is known as...

• rational numbers

• additive inverse

• opposites

• absolute value

Tags

CCSS.7.NS.A.1C

A Black Hawk helicopter is flying 300 feet above sea level. The helicopter spots an enemy submarine 175 feet below sea level. How far is the helicopter from the submarine?

Tags

CCSS.7.NS.A.1C

Find the distance between the two numbers on a number line.

 $6,\ -4\frac{1}{4}$  

• 10.25

• 2.25

• -10.25

• -2.25

Tags

CCSS.7.NS.A.1C

• 4.3 feet

• 14.9 feet

• -4.3 feet

• -14.9 feet

Tags

CCSS.7.NS.A.1C

If the temperature drops from 11^o F to ‒3^o F, by how much did the temperature decrease?

• -8

• 8

• -14

• 14

Tags

CCSS.7.NS.A.1C

After a rocket reached an altitude of 13,480 ft. it separated from the main engines. The engines sank in the ocean to a depth of -1,550 ft. How far did the engines fall?

Tags

CCSS.7.NS.A.1C

The record low temperature in Dallas, TX is -8. The record high is 113. What is the DIFFERENCE between these two temperatures?

• 121

• -121

• 105

• -105

Answer explanation

Difference will always be positive.

Tags

CCSS.7.NS.A.1C