Sample Words From List
national
mine
precision
breathe
nature
precise
athlete
natural
crime
revision
ignite
revise
Take a look at the sample words.
What do you notice about these words?
There are base words with longer words derived from the base word.
In this sentence, I need my measurements to be precise, so I better measure with precision. What does precise and precision mean?
precise means exact and precision means with accuracy.
Besides their similar meanings, how are the words related?
They have similar spellings.
How does the vowel sound change when a suffix is added?
It changes from a long vowel sound to a short vowel sound.
How do you think we could sort these words?
By the vowel sound - long and short.
Let's practice sorting the words. Practice Sort
What happened to revise when -ion was added?
The e was dropped and the vowel sound changed from long i to short i.