Name Beginning Clusters
str, thr, and (tr)
Look at the words in the list below. Sort the words that begin with str or thr into the
first two groups. Look at the letters of the remaining words and label a third group.
Write the words that belong in each group.
trouble strike through trail
strange trend strength throne
thread throughout treat tryout
throw straw three struggle
stream trash threw street
trio throat triangle strawberry
str Sound thr Sound
Think Ahead! Write a sentence that includes three of these words.