SLD with impairment in | Characteristics | Typical SpLDs |
---|---|---|
Reading (reading disorder, RD) | Deficits in decoding speech sounds of words (phonological weaknesses) and fluency (not reading accurately with adequate speed) | Dyslexia |
Mathematics (maths disorder, MD) | Deficits in number sense, memorisation of arithmetic facts, accurate or fluent calculation or math reasoning | Dyscalculia |
Written expression (writing disorder, WD) | Deficits in orthographic coding (e.g. spelling, grammar, punctuation, capitalisation) and finger sequencing (the movement of muscles needed for writing) | Dysgraphia |