I like using this Comparative Adjectives Freebie to help students practice using er and est on the end of words. The simple activity helps the students practice shades of meaning and categorizing items into levels of intensity as well as adding er and est correctly to words.
Students name three items in a similar category and then level them using comparative adjectives. This activity also requires students to activate vocabulary knowledge.
Here are a few student sample sentences:
Jalapeno peppers are hotter than green peppers. The Ghost Pepper is the hottest of all.
Wednesday is a better school day than Monday. Friday is the best school day of all.