Dyscalculia: A math-based learning disability that affects basic calculations and bigger concepts by Alannah Miller | Aug 15, 2019 | Disorders, Mental Health Topics 2 + 2 = 4. Easy math for most of us, right? We learn simple math problems like this early on in school and continue to build that foundation of knowledge. Next, we learn subtraction, then multiplication and division, and so on. But what happens when someone doesn’t, or maybe…