2. About 5% of children had ADHD without learning disability, 5% had learning
disability without ADHD, and 4% had both ADHD and learning disability

3.  Approximately 9.5% or 5.4 million children
4-17 years of age have been diagnosed
with ADHD, as of 2007.
 Boys, 13.2%, are more likely than girls,
5.6%, to be diagnosed with ADHD

4. The most common cause of reading, writing and spelling difficulties.

5.  Almost equally affects females and
males
 Almost the same percentage of people
from different ethnic and socioeconomic
backgrounds have dyslexia
 Less than 33% of children with reading
disabilities receive school services

6. Percentage of the population that is diagnosed with dyscalculia, a learning
disability of comprehending arithmetic, compared to dyslexia

7.  40-50% of dyslexics show no signs of
dyscalculia
 between 3% and 6% of the population
are affected

8. a neurological disorder that is characterized by writing disabilities and difficulty with
the mechanics of writing

9.  The percentage of primary school
students with dysgraphia may increase
4% due to difficulty of handwriting
 Up to 20% increase in middle schooler
students because written compositions
become difficult