Operations with Integers

The first play of a football game resulted in a loss of 12 yards. Then a penalty resulted in another loss of 5 yards. What is the total loss or gain? Select the correct expression and answer.

• -12+(-5)

• a loss of 7 yards

• -12-(-5)

• a loss of 17 yards

• 12-5

A submarine was 52 ft. below sea level. It ascended 38 ft. toward the surface. What is the depth of the submarine? Select the correct expression and answer.

• 90 ft below sea level

• 26 feet below sea level

• 14 feet below sea level

• -52+(-38)

• -52+38

Integers are positive and negative whole numbers. Which of the following are integers?

• -7

• 3

• -25

• 3/5

• -1.8

The temperature on Sunday was -15^o C. The next day, the temperature had dropped 12 degrees. What was the temperature the next day?

• -27^o C

• 27^o C

• -3^o C

• 3^o C

Which of the following has a negative product?

• -7 ⋅ (-9)
• 6(-2)(-11)
• 8 × 5
• -4(12)

-8 - (-7)

• 1
• -1
• 15
• -15

The temperature on a cold winter day starts out at 10 degrees, but it drops rapidly 24 degrees due to a strong cold front moving in.  What is the current temperature?

• 14
• 34
• -14
• -34

-8+(-2)

• -6
• -10
• 10
• 6

When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...

• POSITIVE
• NEGATIVE
• DEPENDS ON WHICH NUMBER IS LARGER.

When multiplying or dividing a NEGATIVE and POSITIVE number your result will be...

• Positive
• Negative
• Depends on which is bigger.