MT_HW_4_L4

Instructions

Lesson 1-4: Subtract Integers. 

Murphy and Naryam do their math homework together. When they find 9 - (-8), they get different answers. Murphy claims the difference is 17. Naryam claims the difference is -1.

 Who is correct?

1

Who is correct, Murphy or Naryam?

The news reports that today's high temperature is 16°F colder than yesterday's high temperature. Yesterday's high temperature was -2°F.

1

If today's temperature is 16°F colder than yesterday's(-2 F), what is today's temperature?

Max sprints forward 10 feet and then stops and sprints back 15 feet. Use subtraction to explain where Max is relative to where he started.

1

Max sprints forward 10 feet and then back 15 feet. How far is max from his starting point?

1

Max's final position can be represented by which integer?

A crane lifts a pallet of concrete blocks 8 feet
from the back of a truck. The truck drives away and the crane lowers the pallet 13 feet. What is the final position of the pallet relative to where it started in the back of the truck?

1

After being raised to 8 ft, the pallet is lowered 13 ft. What is its position?

At its highest point, the elevation of a county is 5,762 feet above sea level. At its lowest point, the elevation of the county is 9 feet below sea level.
What is the difference between the highest and lowest points of the county?

1

Who is correct, Murphy or Naryam?

If today's temperature is 16°F colder than yesterday's(-2 F), what is today's temperature?

Max sprints forward 10 feet and then back 15 feet. How far is max from his starting point?

Max's final position can be represented by which integer?

After being raised to 8 ft, the pallet is lowered 13 ft. What is its position?

The highest point in a county is 5,762-foot above sea level and the lowest point is 9 feet below sea level. What is the total difference in altitude?