YouTube equivalent fractions
YouTube factoring numbers
Converting Improper Fractions to Mixed Numbers
The cake method...BEST way to teach GCF, LCM, and simplifying fractions!!! Check it out - your kids will LOVE it!
LCM using prime factorization anchor chart
FREE cheat sheet for students. A great visual way to remember the difference between GCF and LCM.
Winter Tree Roll the Dice. I would change this a bit for upper grades and make the problem: find the LCM or GCF of the two numbers rolled. Could also use double dice and make fractions!
maybe too old for my students, but love this