OPPOSITES, COMBINED EFFECTS, THE NUMBERLINE

Learning objectives 

At the end of this paragraph you are able to...

...explain why negative numbers and positive numbers are equal.

...explain how you can use a diagram to find the combined effect. 

...draw a number line and state the opposites. 

Explanation video 

Opposites

In this video you will learn everything about opposites in general and how you can apply them in maths with negative numbers and positive numbers. 

Combined effect

In this video you will learn how you can find the combined effect when drawing a diagram.

The number line

In this video you will learn everything about the numberline. You will get answers to the questions how can I draw a numberline? What is an increase? What is a decrease? and many more. 

Please keep in mind that zero is not positive and not negative, this means that it is a neutral number.