Mammoth Memory

But if you divide or multiply by a negative – Flip

If you multiply or divide by a negative you must

reverse the inequality sign
You must FLIP IT

Multiply or divide by a negative flip the symbol

You need to flip the inequalities completely

Why

Just try it on a number you know and then you will understand

3 is grater than 1    

3  is greater than 1

Divide by -1

Minus 3 is greater than minus 1  incorrect

-3 is NOT greater than -1

Multiply or divide by a negative flip the symbol

You MUST FLIP/REVERSE the inequality sign.

Minus 3 is less than minus 1 correct

-3 is less than -1