Learning Literacy Glossary
Decodable Words
Words that sound the way they are spelled or can be sounded out because they have letter-sound relationships already learned.
Decoding
Using your knowledge of letter-sound relationships to sound out words.
Diagnosis
Identification of a disorder determined by a medical or educational professional.
Dyscalculia
A neurologically based specific learning disability in math, such as difficulty making sense of and working with numbers.
Dysgraphia
A neurologically based specific learning disability in writing, such as difficulty with spelling, handwriting, or recording your ideas.
Dyslexia
A brain-based learning disability that specifically impairs a person's ability to read.
The research reported here is funded by awards to the National Center on Improving Literacy from the Office of Elementary and Secondary Education, in partnership with the Office of Special Education Programs (Award #: S283D160003). The opinions expressed are those of the authors and do not represent views of OESE, OSEP, or the U.S. Department of Education. Copyright © 2024 National Center on Improving Literacy. https://www.improvingliteracy.org