Understanding Subtracting Integers Through Real-Life Examples

What is one way to increase the temperature of ice water for the ALS Ice Bucket Challenge?

• Do nothing

• Freeze the water

• Add colder water

• Add warmer water

What mathematical operation does removing ice from ice water resemble?

• Subtraction

• Addition

• Multiplication

• Division

What does the subtraction of integers represent in the context of the ALS Ice Bucket Challenge?

• Adding ice

• Removing ice

• None of the above

• Changing water temperature

What is the result of subtracting a negative integer from another integer?

• A larger negative integer

• A smaller negative integer

• A larger positive integer

• The same integer

How does subtracting a positive integer from another integer affect its value?

• Decreases its value

• No change

• Makes it zero

• Increases its value

What is the mathematical rule for subtracting integers as explained in the video?

• Subtracting an integer equals subtracting its opposite

• Subtracting an integer equals adding its opposite

• Subtracting an integer equals dividing by its opposite

• Subtracting an integer equals multiplying its opposite

What is the result of 3 minus -12 using the rule for subtracting integers?

• 9

• -15

• -9

• 15

What does subtracting an integer from another integer equate to?

• Dividing by its opposite

• Adding its opposite

• Subtracting its opposite

• Multiplying its opposite

What is the range in elevation for North America?

• 6200 meters

• 6284 meters

• 6050 meters

• 6000 meters

Which continent has a greater range in elevation?

• North America

• Africa

• Both have the same range

• Cannot be determined