Positive and Negative Numbers in Context

Last month, Lisa's bank statement said that she had money in her account. Her bank balance was $109.32.

This month, Lisa's bank balance is -$87.12. What does this mean?

• Lisa overdrew her account by $87.12.

• Lisa has $87.12 in her account.

A little while ago, a dolphin was swimming below sea level at -7 meters.

Now the dolphin is jumping at 0.5 meters. What does this mean?

• The dolphin is 0.5 meters below sea level.

• The dolphin is 0.5 meters above sea level.

The elevation of New Orleans is -0.3 meters.

What does an elevation of -0.3 meters represent in this situation?

• New Orleans is 0.3 meters above sea level.

• New Orleans is at sea level.

• New Orleans is 0.3 meters below sea level.

After a drop in temperature of 3 degrees, the temperature is -12, what was the temperature to start with?

• -10

• -9

• -15

• -36

It is - 4 in Iceland at 7 am. The temperature then increases by 6 Degrees. What is the new temperature?

• 2

• -10

• - 2

• 10

What is -8 + 8?

• 0

• -16

• 16

• 64

Which number is SMALLER?

9 or -9

• 9

• -9

• Neither

What is the integer to show one hundred meter below sea level?

• 100

• +100

• -100

• 1.00

Negative integers are on the ______ side of zero while Positive Integers are on the ________ side of zero.

• left, left

• right, right

• right, left

• left, right

Which integer is closer to zero?

• -6

• -3

• +5

• +10