First Grade
Reading errors that show no connection to the sounds of the letters; for example, the word big is read as goat.
The inability to read common one-syllable words or to sound out even the simplest of words, such as mat, cat, hop, nap.
Complaints about how hard reading is, or avoiding reading.
A history of reading problems in parents or siblings
Shaywitz, S. (2003) Overcoming Dyslexia.