Integer Operations

Which of the following is NOT equivalent to 45?

• -9 · -5

• -11 - (-56)

• -(405/9)

• -17 + 62

Which expression below equals 5?

• -5 - (-10)

• 5 + (-10)

• -10 ÷ 2

• 5 ⋅ (-1)

Mabel's library account showed that she owed $2.00 in late fees. She made a payment of $9.00. She then lost a library book and was assessed an $11.00 fine. If Mabel makes a payment of $20, what is her balance after the payment?

• Mabel has a credit of $20.00 on her account.

• Mabel has an outstanding balance of $7.00 on her account.

• Mabel has a credit of $16 on her account.

• Mabel has an outstanding balance of $16.00 on her account.

During a football game, the Texans lost 17 yards on one play. On the next play they gained 9 yards. How many total yards were gained after both plays?

• -8

• 19

• 7

• -4

A group of hikers are at an altitude of 845 feet above sea level. Base camp is located directly below the hikers at 255 feet below sea level. How far away from camp are the hikers?

• 590 ft

• 1100 ft

• -595 ft

• 845 ft

Sam keeps track of the low temperature every day. On Monday, it was -14° C. On Tuesday it was -3° C. What is the difference between the low temperatures on Monday and Tuesday?

• -17° C

• -11° C

• 17° C

• 11° C

The list of numbers below shows the net stock earnings of a stock for 6 weeks. What are the stock's net earnings in the 6 weeks combined?

$13, $-6, $-24, $37, $52, $-17

• $149

• $-55

• $55

• $-149

Meredith has a bank balance of $-26. She deposits $47 into her account. What is Meredith's bank balance now?

• $21

• $-73

• $-21

• $73

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

• POSITIVE

• NEGATIVE

• DEPENDS ON WHICH NUMBER IS LARGER.

If the temperature drops 5 degrees every hour for 9 hours, which integer represents the change in temperature? 

• 14

• -14

• 45

• -45