This video is about solving percentage with step step and it will give clear idea to find the solution so you can also find more help on related topics such as percentage difference - http://www.mathcaptain.com/number-sense/percentages.html
This video shows you how to assign appropriate inequality and the gives you example with step by step solution find more help with similar topics like Absolute Value Inequalities -http://math.tutorvista.com/number-system/absolute-value-inequalities.html
Learn how to multiply two signed integers from this video which shows an example solved with step by step explanation and you can also find more help with Multiplying Integers - http://math.tutorcircle.com/number-sense/integers.html
This video helps you to solve given word problems and the video shows you an example with solution, find more help with different Addition and Subtraction Word Problems - http://www.mathcaptain.com/number-sense/numbers-and-operations.html