Subtraction Using Number Lines

The video tutorial demonstrates how to use a number line to perform basic subtraction. It covers several examples, including 9 - 4, 8 - 2, 10 - 3, 7 - 5, and 10 - 6, showing how to move backwards on the number line to find the difference. The tutorial also explains how to separate place values into tens and ones for clarity.

What is the purpose of using pictures and number lines in subtraction?

• To make addition easier

• To visualize the subtraction process

• To learn multiplication

• To practice division

If you start at 9 and move back 4 steps on a number line, where do you end up?

• 6

• 5

• 4

• 3

When subtracting 2 from 8 using a number line, what is the result?

• 6

• 5

• 7

• 4

What is the result of 10 - 3 when using a number line?

• 8

• 7

• 6

• 5

Starting at 7 and moving back 5 steps on a number line, what number do you reach?

• 2

• 4

• 1

• 3

What is the result of 10 - 6 using a number line?

• 4

• 3

• 2

• 5

How many steps do you move back when subtracting 5 from 7?

• 5

• 4

• 3

• 2