Finding Opposite Numbers on a Number Line

This lesson explains how to find opposite numbers by comparing their distances and directions from 0 on a number line. It clarifies that 0 is the midpoint of a number line, not the beginning, and demonstrates how to locate positive and negative numbers. The concept of opposite numbers is defined as numbers that are equal distances from 0 but in opposite directions. Examples are provided using both horizontal and vertical number lines. The lesson concludes by summarizing the key points about opposite numbers.

What is a common misunderstanding about the number line when dealing with integers?

• 0 is the end of the number line.

• 0 is the middle of the number line.

• 0 is the beginning of the number line.

• 0 is not on the number line.

How do you locate positive 3 on a number line?

• Move to the right of 0 three spaces.

• Move to the left of 0 three spaces.

• Move to the right of 0 five spaces.

• Stay at 0.

What does 'opposite' mean in the context of a number line?

• Being further from 0.

• Being closer to 0.

• Having a position on the other or further side of 0.

• Having a position on the same side of 0.

How do you find the opposite of 6 on a number line?

• Move to the right 3 spaces from 0.

• Move to the left 6 spaces from 0.

• Move to the left 3 spaces from 0.

• Move to the right 6 spaces from 0.

What is the opposite of negative 10 on a vertical number line?

• Negative 5

• Positive 5

• Negative 10

• Positive 10