Dyscalculia: Burdened by blunders with numbers
from Medical News Today
Between 3 and 6 percent of schoolchildren suffer from an arithmetic-related learning disability. Researchers at Ludwig-Maximilians-Universitaet in Munich now show that these children are also more likely to exhibit deficits in reading and spelling than had been previously suspected. Addition and subtraction, multiplication and division are the four basic operations in arithmetic. But for some children, learning these fundamental skills is particularly challenging. Studies show that they have problems grasping the concepts of number, magnitude, and quantity, and that they do poorly when asked to estimate relative amounts.
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