6A 3.1.2 PreAlg

Ronnie visits a friend who works in human resources before attending a meeting in the boardroom. How many floors must she travel to reach the boardroom?

Which numeric expression best represents the situation?

• |2| + |12|

• |-2| + |12|

• |2| + |-12|

• |-2| + |-12|

Ronnie visits a friend who works in human resources before attending a meeting in the boardroom. How many floors must she travel to reach the boardroom?

Calculate the answer.

Mathematical Equivalence

ON

Ursula works in accounting. At lunch, she goes to the cafeteria. She then heads to the conference room for a meeting. How many total floors does Ursula travel?

Calculate the answer.

Mathematical Equivalence

ON

Jeremy gets something out of storage before heading back up to marketing. How many floors does he travel?

Which numeric expression best represents the scenario?

• |-5| + |5|

• |5| + |5|

• -5 + 5

• |-5| + |-5|

Jeremy gets something out of storage before heading back up to marketing. How many floors does he travel?

Calculate the answer.

Mathematical Equivalence

ON

A visitor enters the lobby and goes to customer service. He decides to grab a snack at the cafeteria before returning to the lobby to leave. How many total floors does the visitor travel?

Mathematical Equivalence

ON

The table shown tracks the movements of people in an office building. Complete the table to explain the changes.

a

b

c

d

His position decreased by 6 floors

5 floors

His position increased by 9 floors

9 floors

-5 floors

-9 floors

His position increased by 6 floors

His position decreased by 9 floors

Tyler marked a rain gauge with values from –6 inches to +6 inches and filled the gauge with water to the 0 mark. The table shows the levels in the rain gauge over 8 days.

Between which two consecutive readings did it rain the most?​ (a)  

How many inches were recorded? ​ (b)  

• Days 7-8
• Days 2-3
• Days 1-2
• Days 5-6
• 8 inches
• 7 inches
• 10 inches
• 9 inches

Between which two consecutive readings was evaporation the greatest? (a)  

How many inches of water evaporated? ​ (b)  

• Days 5-6
• Days 7-8
• Days 2-3
• Days 1-2
• 3 inches
• 1.8 inches
• 4 inches
• 2.1 inches