Understanding Absolute Values and Integers

This video tutorial introduces integers, explaining their use in real-life scenarios such as temperature, heights, and sports like golf. It covers the concept of the number line, showing how positive and negative integers are positioned and how each integer has an opposite. The video also explains the concept of absolute value, demonstrating how it represents the non-negative value of an integer. Finally, it discusses how integers are used to represent positions and depths, such as altitudes and depths below sea level.

Which of the following is an example of using integers in daily life?

• Calculating the area of a rectangle

• Recording temperatures on a thermometer

• Counting the number of apples

• Measuring the length of a table

Which sport uses integers to represent scores, where a more negative score is better?

• Tennis

• Soccer

• Golf

• Basketball

On a number line, what is the opposite of -7?

• -14

• 0

• 7

• -7

What is the position of zero on the number line?

• Positive

• Negative

• Both positive and negative

• Neither positive nor negative

What is the absolute value of -15?

• -15

• 0

• 15

• -1

What is the absolute value of 0?

• 1

• 0

• Undefined

• -1

If a negative sign is outside the absolute value of -4, what is the result?

• 0

• -4

• 4

• 8

How would you represent an airplane flying at 100 meters above sea level using an integer?

• -10

• 0

• 100

• -100

What integer represents a fish swimming 50 meters below sea level?

• 50

• -50

• 0

• 5

If a shark is 30 meters below sea level, what integer represents its position?

• 30

• -30

• 0

• 3