After Working with Short Vowels in CVC formats in world 1, we now move to initial consonant pairs, digraphs, and blends in planet 2.

Out of the 120 different levels on Rocket Spelling (not including review challenges), 22 of them focus on high-frequency words. Whereas the other 98 levels are designed to help students practice a certain spelling pattern or work on a related set of words, these levels can seem more random. Although expert lists vary somewhat, the words in our high-frequency levels are generally all included in a list of the top 1,200 most frequently-used words in the English language. They are critical words for students to learn. But what's the best way for students to attack them?

The first six levels on Rocket Spelling (levels 1-1 to 1-6) focus on short vowels. The 60 words in these levels all follow either a basic consonant-vowel-consonant (CVC) pattern or are simply two-letter words that begin with a short vowel and end with a consonant (e.g. am, if, on, us).

Our primary goal in these levels is to ensure that students gain complete mastery of the short vowel sounds.