Rules For Adding-er and -est

Adding to C+y Words:

Any words that end in y: Change the y to I and add –er or -est

Examples: Happy Happier Happiest

Adding to C+e Words Any word that ends in e

Remove the e and add –er or –est

Examples: Late Later Latest

When Adding to CVC Words

Any word that ends in a consonant, vowel, consonant, Double the consonant and add –er or -est

Examples: Hot Hotter Hottest