Exploring Integer Operations and Their Applications

This video tutorial covers integer operations, including addition, subtraction, multiplication, and division. It uses a number line to demonstrate how to perform these operations and explains the rules for handling positive and negative numbers. The tutorial also includes real-world applications, such as calculating debt and temperature changes, to illustrate the practical use of integer operations.

What happens when you add a negative number to a positive number on the number line?

• Move to the right

• Move to the left

• The number line disappears

• Stay in the same place

What is the result of adding two negative numbers?

• Cannot be determined

• Zero

• A negative number

• A positive number

What is the result of subtracting a larger positive number from a smaller positive number?

• A larger positive number

• A smaller positive number

• A negative number

• Zero

What does a double negative in subtraction turn into?

• Division

• Addition

• Subtraction

• Multiplication

When multiplying two numbers with different signs, the result is always:

• Undefined

• Zero

• Negative

• Positive

If you divide a negative number by a positive number, the result will be:

• The same as the negative number

• Zero

• Negative

• Positive

Jamie is $21 in debt and then earns $50. What is her new balance?

• $29

• $71

• $71 in debt

• $29 in debt

What is the difference in temperature from -12°F to 32°F?

• -20°F

• -44°F

• 44°F

• 20°F

A submarine descends 40 feet per minute. How far does it descend in 5 minutes?

• -8 feet

• 8 feet

• -200 feet

• 200 feet

If the temperature drops 48 degrees over 12 hours, how much does it drop per hour?

• 4 degrees

• -4 degrees

• 12 degrees

• -12 degrees