How Reading Works / Knowing the Most Common Words
KNOWING THE MOST COMMON WORDS

Teachers Call This Skill:
HIGH FREQUENCY (SIGHT) WORDS
High frequency words will make up 50-75% of the books your child will begin reading. High frequency words are often called “sight words"" because students were expected to memorize them, or know them by sight. However, a sight word is actually any word that can be read effortlessly. For example, the word 'in' might be a sight word for a kindergartener, while the word 'phenomenon' may be a sight word for an adult.
We now know that rote memorization of whole words is not an effective teaching strategy. By integrating high-frequency words into phonics instruction, we can help children understand the spelling patterns within these words, which will help map them and store them in their sight word memory.
High frequency words should be grouped based on whether their spellings are regular or irregular. Regular high-frequency words such as 'and', 'get', 'in', and 'yes' follow typical phonics patterns and can be decoded using common phonics knowledge and letter-sound relationships and the letters make the sounds that we would expect them to. The good news is that ~85% of high frequency words are regularly spelled!
Irregular high-frequency words such as 'said', 'the', and 'from' don't follow typical phonics patterns - they have at least one letter that doesn't make the sound we'd expect it to. The rest of the word actually follows normal phonics rules. So, most irregular words can still be sounded out, at least partly. Many programs now call irregular high frequency words ""heart words"", highlighting that children need to learn parts of them "by heart". When teaching an irregular word, show students which part of the word doesn’t follow the usual sound rule. That irregular part is the piece they’ll need to remember “by heart,” while the rest can be decoded as usual.
Children who can recognize these words quickly will strengthen their reading fluency and comprehension. When children can read these words effortlessly, they can spend their energy on sounding out more difficult words or understanding the story’s meaning.
Resources
10 Sight Words for Pre Readers
Heart Words List
Printable UFLI Heart Word Cards
SIPPS Challenge Irregular Syllables
Kindergarten SIPPS Sight Words
1st and 2nd Grade SIPPS Sight Words
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