Number Lines

The video tutorial introduces the concept of number lines in mathematics, explaining how they are used to represent numbers and perform operations like addition. It provides examples of adding positive and negative numbers using a number line, highlighting how direction and movement on the line correspond to mathematical operations. The tutorial aims to clarify the concept of number lines and demonstrate their practical application in solving math problems.

What is the primary purpose of a number line in mathematics?

• To visualize numbers and operations

• To create artistic designs

• To name kitchen appliances

• To measure physical distances

When adding a positive number on a number line, which direction do you move?

• Left

• Right

• Up

• Down

If you start at 4 on a number line and add -2, where do you end up?

• -2

• 0

• 2

• 6

What happens when you add two negative numbers on a number line?

• You move to the right

• You move upwards

• You move to the left

• You stay in the same place

What is the result of -6 + (-3) on a number line?

• 9

• 3

• -9

• -3