Extra Credit Units 1-3

Solve. 10 + (-10) = __________  

• 20

• -20

• 0

• 10

A diver is at an elevation of −18 feet and dives down an additional 30 feet. What is that diver’s elevation now?

• -48 feet

• 12 feet

• 48 feet

• -12 feet

In the morning, the temperature was 15°F. During the day, the temperature fell 37 degrees. Which expression would you use to solve?

• 1.  − 15 + (− 37)

• 1. 15 + (− 37)

• 1. − 15 −  37

• 1. 15 + 37

Mackenzie is playing a game with friends. Her score at the end of round one was 32 points.

In round two, she gets the question wrong and loses 75 points. How many points does Mackenzie have at the end of round two?

• -107
• -43
• 7
• 57

Use >, <, or = to make the number statements true

-0.27 ________-0.24

• <
• ≥
• =
• >

What is 1/8 as a PERCENT?

• 12.5%
• 0.01%
• 25%
• 0.125%

• 3.58
• 3.6
• 3.62
• 3.625

• <

• >

• Tara

• Shelly

• repeating

• terminating