Understanding Positive and Negative Numbers

This video tutorial introduces the concept of integers and their opposites, focusing on positive and negative numbers. It explains how to identify these numbers using a number line and provides examples, including a temperature tracking problem. The tutorial also covers the concept of sea level in relation to positive and negative numbers and includes practice problems to reinforce learning.

What is the main focus of the lesson in module 1.1?

• Identifying decimals and their opposites

• Identifying integers and their opposites

• Identifying fractions and their opposites

• Identifying whole numbers and their opposites

Which of the following is a positive number?

• -8

• +3

• 0

• -3

What must always be included with a negative number?

• A plus sign

• A zero

• A negative sign

• A decimal point

On a number line, where are positive numbers located?

• To the left of zero

• To the right of zero

• Above zero

• Below zero

What is the temperature for week three in the example problem?

• Negative five

• Positive three

• Negative seven

• Zero

How is the temperature for week three represented on a number line?

• A circle on positive three

• A circle on zero

• A circle on negative five

• A circle on positive five

What does it mean when a location is at sea level?

• It is at a decimal number

• It is at zero

• It is at a negative number

• It is at a positive number

Which number represents a location below sea level?

• Positive ten

• Zero

• Negative ten

• Positive five

What is the opposite of negative 20?

• Positive 20

• Negative 20

• Positive 10

• Zero

Which number is at sea level?

• Positive one

• Negative one

• Zero

• Positive two