Understanding Integers and Their Representations

The video tutorial introduces integers, explaining them as positive and negative whole numbers. It covers the concept of opposites and how integers are represented on a number line. The tutorial provides examples of real-life situations represented by integers and demonstrates how to graph integers. It concludes with solving word problems using integers, emphasizing understanding integer operations.

What is the opposite of a positive integer?

• A negative integer

• A smaller positive integer

• A larger positive integer

• Zero

Which of the following is not an integer?

• 5

• 2.5

• -3

• 0

If a contestant gains 250 points, how is this represented as an integer?

• -250

• 250

• 0

• 25

What integer represents a temperature of 40 degrees below zero?

• -40

• 0

• 4

• 40

A hiker climbs 900 feet up a mountain. What integer represents this?

• 0

• -900

• 900

• 90

How would you graph a positive integer on a number line?

• Above zero

• At zero

• To the right of zero

• To the left of zero

If a football team gains 57 yards, how is this represented on a number line?

• Positive 57

• 57 below zero

• Negative 57

• Zero

What integer represents going down two floors in a building?

• -2

• 2

• 0

• 20

If you go up seven floors, what integer represents this change?

• -7

• 70

• 7

• 0

To return to ground level from floor 5, what integer represents this action?

• 0

• 5

• 50

• -5