Peter McCoy


Description:This is disease where the person has trouble understanding math and anything that has to do with numbers. They have trouble understanding things that we us on an everyday basis. They have trouble doing simple fractions and multiplication. It's not just math and adding that they have trouble with, it's anything that involves numbers. They flip numbers like 5 and 7, 1 and 7, 8 and 3or 6 and 9.
Treatment:There really is no real treatment for this disease. But there are some ways that you can help someone who has this disease.
  • Teachers can present math in a more concrete fashion. More "this is how you do it" now do it. Instead of leaving it open ended.
  • Braking down the material into smaller simpler steps
  • Making there learning environment less distracting


They have trouble with everyday numbers like telephone numbers, locker numbers and combinations, and addresses.

About 3-6% of the people in the world have dyscalculia. But there is a genetic aspect to the disease. If you have identical twins and one of the twins has dyscalculia there is a 70% chance that the other twin has it. But if the twins are not identical there is only a 55% chance that the other twin has it.

Brain of someone with Dyscalculia

Signs Over Time:
  • Difficulty learning to count
  • troubles with learning division and multiplication
  • Avoiding games that involve strategy
  • Difficulty learning math concepts
  • Difficulty with keeping schedules

Helpful Links:


Word Bank:Genetics: the science of hereditary, dealing with resemblances and differences of organisms