• Integer Rules - Good video to help with Integer rules! Link here
     
    Square Roots and estimation - Video with thorough explanation. Link here 
     
    Adding and Subtracting Fractions - Fun video created by the "for Dummies" folks (silly name, no one is a dummy!). Great explanation about adding and subtracting fractions if you forgot. Link here.  
     
    Khan Academy: Great site for online video instruction of mathematics. Link: Khan Academy - Math