To remember which direction the reaction will favor if the reaction is endothermic or exothermic, I like to have a visual in mind.
If the reaction is endothermic, that means the reaction requires heat to form its products. So in the chemical equation, on the side of the reactants, heat should be added. Thus, because heat is being added to the left side of the arrows, then the reaction will favor the right side of the arrows (the products) to minimize the change based on Le Chatelier's principle. If Professor Lavelle gives a conceptual question on the exam and there's no chemical equation, I like to visualize this in my head to help me remember which direction will be favored:
It'll be the opposite if it's an exothermic reaction. Heat will be released during the reaction, so to minimize the effects, the reaction will favor the reactants: