What is dyscalculia?
Dyscalculia is a specific learning difficulty that makes it hard to understand numbers, quantities and arithmetic. Children may struggle to sense how many objects there are, learn number facts, understand place value, tell the time or handle money, even when they cope well in other subjects. It is supported with concrete materials, visual models and step-by-step teaching.
What this means in practice
Many people find maths hard, but dyscalculia is a persistent difficulty with basic number sense rather than with advanced topics. It is included in the specific learning disabilities recognised under the RPwD Act 2016.
Common signs
- Counting on fingers long after peers have stopped.
- Difficulty comparing which number is bigger.
- Confusing plus and minus signs or place value.
- Trouble with money, time and measurement.
- High anxiety during maths.
Teaching strategies
Use concrete objects such as blocks and beads, number lines, visual fraction models, worked examples and plenty of short practice. Allow calculators for complex tasks when the goal is reasoning, not calculation.
At home
Families can build number sense through everyday activities such as counting steps, setting the table, cooking with measurements, shopping with small amounts of money and playing board games with dice.
Calculators, multiplication grids and number lines are reasonable supports for many tasks, especially when the lesson focuses on reasoning.
Practical next steps
- Check basic number sense with objects.
- Teach one concept at a time with concrete materials.
- Move gradually to pictures and then symbols.
- Reduce timed tests that increase anxiety.
What to keep in mind
Formal identification needs assessment by a qualified professional.
Common follow-up questions
Is dyscalculia as common as dyslexia?
It is less well known but is estimated to be fairly common; it often occurs alongside other learning difficulties.
Can children with dyscalculia study science?
Yes, with support for the maths involved.
Sources
- Department of Empowerment of Persons with Disabilities: RPwD Act 2016 and rules
- IRIS Center, Vanderbilt University: special education modules
Sources inform the explanation; examples are educational illustrations, not individual clinical advice. How these answers are prepared.