Understanding Opposites on a Number Line

This lesson explains the concept of opposites using a number line. It covers how to locate positive and negative numbers, the role of zero, and how to find opposites by measuring equal distances from zero. The lesson includes examples on both horizontal and vertical number lines, emphasizing that the opposite of a positive number is negative and vice versa.

What is the opposite of positive 5 on a number line?

• Negative 5

• Positive 10

• Positive 5

• Zero

If you move 11 units to the left of zero on a number line, where do you land?

• Negative 11

• Positive 11

• Positive 22

• Zero

What is the opposite of negative 18?

• Negative 36

• Positive 18

• Zero

• Negative 18

How do you find the opposite of a negative number?

• Subtract 5

• Double it

• Add 10

• Make it positive

What is the opposite of negative 24?

• Zero

• Negative 12

• Positive 24

• Negative 48