Glossary

Dyscalculia

A specific difficulty with number — quantity, place value, recalling facts, estimating. It sits alongside ordinary intelligence and is far less well recognised than dyslexia, which is why it is usually caught years later.

What this means for your child

Why dyscalculia matters.

The tell is not slow arithmetic. It is a child who cannot estimate — who will accept that four times six is ninety without anything feeling wrong, because there is no internal sense of how big numbers are relative to each other.

It responds to structured, concrete teaching that rebuilds number sense from the bottom, which is different from more practice at the level that is already failing. More worksheets is the intervention that most often gets tried first and least often works.

Commonly confused. Confused with maths anxiety, and with not trying. Anxiety is frequently the consequence rather than the cause.

Worth asking

Questions that get a real answer

  • Can my child estimate, or only calculate?
  • What specifically is being taught, and at what level?
  • Are they using concrete materials, or straight to symbols?

Ask these of anyone, including us. What you are listening for is not the right answer — it is whether the answer is specific enough to be wrong.

If a report still doesn't make sense

Send it to us and we'll translate it.

Any report, from any provider, including ones we have nothing to do with. We will tell you in plain English what it says, what it recommends, and which parts are actually supported by the evidence in it. No charge, and it does not make you a client.

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