Not all words are used equally. Scan an article in your newspaper and you will see some words used A LOT more than the others. These building blocks set a foundation for your kids to be able to turbo-charge their reading. All First-graders need to be able to see, read, write, and know the meaning of these words.
As I introduce them the children will enter them into their fancy vocabulary books and from them on will be expected to spell them correctly.
Some will be introduced during phonics lessons using the spelling patters and rules others the ones that follow no rules the children will be expected to memorize.