NYS Review 7.NS

Which situation results in a final value of zero?

• the overall change in temperature when the temperature goes from −10°F to 10°F

• the total profit made when a person buys an item for $2.25 and then sells the item for $2.25

• the overall change in altitude of a hot air balloon after rising 21 kilometers from sea level

• the total distance a person travels when he bikes 3.1 miles to school and then bikes 3.1 miles back home

From 12:00 midnight to 6:00 a.m., the temperature decreased by 12°C. If the original temperature was 12°C, which expression can be used to represent this situation?

• 12 − 12

• 12 + 12

• 12 - (-12)

• -12 + (- 12)

Which situation results in a final value of zero?

• The temperature after a decrease of 5°F from a temperature of −5°F.

• The height of an airplane after taking off from ground level and rising 1,000 feet.

• The amount of money received in change after making a $10 purchase with a $20 bill.

• The distance above sea level after increasing 24 meters from a depth of 24 meters below sea level.

Which expression can go in the blank to make the equation true?

−4.5 + 4.4 + ? = 0

• −6.7 + 6.8

• −6.7 + (−6.6)

• 7.2 + (−7.3)

• 7.2 + (−7.2)

At midnight, the temperature was −8°F. At noon, the temperature was 23°F. Which expression represents the increase in temperature?

• -8 - 23

• |-8| - 23

• -8 - |23|

• |-8 - 23 |

 $What\ is\ teh\ exact\ decimal\ equivalent\ to\ \frac{7}{12}\$  

• 0.583

•  $0.58\overline{3}$  

• 1.714

•  $1.71\overline{4}$  

 $\frac{3}{7}\times0.1\div\frac{5}{21}$  What is the value of

•  $\frac{1}{98}$  

•  $\frac{9}{50}$  

•  $\frac{9}{5}$  

•  $\frac{18}{1}$  

Three classes at a junior high school raised money to buy new computers.
• Ms. Moore's class raised $249.00
.• Ms. Aguilar's class raised $396.62 more than Ms. Moore's class.
• Mr. Barry's class raised $430.43 less than Ms. Aguilar's class.
What is the total amount of money raised by all three classes?

• $215.19

• $464.19

• $1,076.05

•  $1,109.81

Which expression has the same value as 59.2 − 84.7 ?

• 84.7 − 59.2

• −84.7 + (−59.2)

• 59.2 − (−84.7)

• 59.2 + (−84.7)

Which number is equivalent to $\frac{43}{12}$  

• 3.583

•  $3.58\overline{3}$  

•  $3.5\overline{83}$  

•  $3.\overline{583}$