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Questions and Answers About Dyscalculia
Do you know the statistics for kids with dyscalculia, i.e. how prevalent is it?
Just like "dyslexia" refers to the otherwise intelligent child (or adult) who has severe reading problems, one could use the term "dyscalculia" to refer to the otherwise intelligent child (or adult) who has severe mathematical problems.
According to the British Dyslexia Association dyscalculia and dyslexia occur both independently of each other and together. Research suggests that 40-50% of dyslexics show no signs of dyscalculia. They perform at least as well in math as other children, with about 10% achieving at a higher level. The remaining 50-60% do have difficulties with math. Best estimates indicate that somewhere between 3% and 6% of the population are affected with dyscalculia only — i.e. people who only have difficulties with math but have good or even excellent performance in other areas of learning.What are the symptoms?
Dyscalculia symptoms include:
What should parents do in this case? How can Audiblox help?
Successful intervention is dependent on finding the cause or causes of a problem. Most problems can only be solved if one knows their causes. A disease such as scurvy claimed the lives of thousands of seamen during their long sea voyages. The disease was cured fairly quickly once the cause was discovered, viz. a vitamin C deficiency. A viable point of departure would therefore be to ask the question, "What causes dyscalculia?"
Mathematics is a subject that consists of three aspects:
Foundational skills: Research has shown that visual perception, visual memory, and logical thinking (which makes problem solving possible) are the most important foundational skills of math.
Mathematical skills: There are many things in mathematics that the learner must learn to do, like, for example, the skills of counting, of adding and subtracting, of multiplication and division.
Knowledge: There is much in math that one simply has to know and therefore has to learn, for example many terms, definitions, symbols, theorems and axioms. These are all things that the learner must know, not things that he must know how to do.
It should also be noted that learning is a stratified process. Certain skills have to be mastered first, before it becomes possible to master subsequent skills.
In order to be a basketball player, a person first has to master the foundational skills, e.g. passing, dribbling, defense, and shooting. In the same way, in order to do math, a child first has to learn the foundational skills of math, like visual perception and visual memory. The child who confuses the signs +, -, ÷ and ×, may have a problem with visual discrimination of forms and/or visual discrimination of position in space. A child who has a poor sense of direction (i.e., north, south, east, and west), may have a problem with visual discrimination of position in space, etc.
The second step would be to master mathematical skills, which must be done in a sequential fashion. One has to learn to count before it becomes possible to learn to add and subtract. Suppose one tried to teach a child, who had not yet learned to count, to add and subtract. This would be quite impossible and no amount of effort would ever succeed in teaching the child these skills. The child must learn to count first, before it becomes possible for him to learn to add and subtract.
Many of the basic mathematical skills, mentioned above, are taught and exercised by means of Audiblox, like counting, adding and subtracting, and multiplication tables. In addition, foundational skills like visual perception, visual memory, and logical thinking are also taught. In the case of a younger learner, this should in most cases be sufficient to solve his math problem adequately.
When an older learner has problems with math, it may be because he has so far been unable to acquire the foundational skills and mathematical skills adequately and to learn the knowledge that has been presented to him. Through the Audiblox exercises he will acquire the foundational skills required for math, as well as some of the basic mathematical skills like counting, adding and subtracting, but he may also have fallen behind as far as other mathematical skills and also the knowledge aspect of math are concerned. It may therefore be advisable to send him for extra math classes also, in addition to doing Audiblox.
How long have people been aware of dyscalculia?
No one seems to know when the word "dyscalculia" came to life — the earliest I have come across is an advertisement in The New York Times from May 1968 (see below). We do, however, know that researchers have used other words for what they found to be some sort of disability in math (which they already found in the 1800s): arithmetic disability, arithmetic deficit, mathematical disability, and so on. The media has been using words like digit dyslexia, number blindness and the obvious math dyslexia.
What practical advice can you offer to parents?
Prevention is better than cure. Make sure that your child has the tools for learning. However, also know that it is never too late to overcome a learning difficulty — even a severe learning difficulty. This includes dyscalculia.