Dyscalculia

According to the Learning Disabilities Association of America:

“Dyscalculia is a specific learning disability that affects a person’s ability to understand numbers and learn math facts.  Individuals with this type of learning disability demonstrate impaired math calculation skills and difficulty understanding numbers and math facts.”

Nessy: Dyscalculia and Number Sense

Link to colorful page with easy-to-understand definitions, causes, treatment, links to research articles and two-minute video explaining the "whole to part" approach to number sense

ADDitude: Dyscalculia symptoms and treatment

PDF download with overview of definition, symptoms, diagnosis and treatment

Understood.org: Dyscalculia fact sheet

PDF with basic facts

Parenting Pod: The complete dyscalculia guide for parents

Link to article describing symptoms, causes, associated learning disabilities, treatment and resources

Dyscalculia.org 

Link to Michigan-based nonprofit with comprehensive information and resources about dyscalculia