Signs & Symptoms of Dyscalculia in Kids: What Parents Should Know
- Hammond Bell Educational Services, LLC
- 5 days ago
- 6 min read
By Lauren Hammond, M.Ed. | Certified Dyslexia Educator & Founder, Hammond Bell Educational Services
When Math Just Doesn’t Make Sense: Understanding Dyscalculia
It's completely normal for kids to struggle with math at times. But if your child frequently mixes up numbers, has trouble remembering basic math facts despite regular practice, or finds concepts like place value especially confusing, these challenges could be signs of dyscalculia — a learning difference that affects how the brain processes numbers.
Dyscalculia impacts how the brain interprets and works with numbers. Recognizing it early allows for targeted support that builds confidence and success in math.
Just as dyslexia makes reading and spelling difficult, dyscalculia affects a child's ability to understand and work with numbers. Without targeted support, foundational gaps make higher-level math increasingly frustrating. But with the right approach — like multisensory math instruction and the CRA model — kids can build stronger number sense and real confidence.
What Are the Signs & Symptoms of Dyscalculia in Kids?
If your child is struggling with math, you might notice:
Trouble recognizing numbers — Your child may not associate the numeral "5" with a group of five objects, or may struggle to understand that numbers represent quantities.
Difficulty counting objects correctly — They may skip numbers, count the same object twice, or struggle with one-to-one correspondence (matching numbers to objects).
Struggling to understand place value — They might confuse numbers like 21 and 12, not grasp the difference between 300 and 30, or have trouble recognizing that 402 is different from 42.
Confusing addition and subtraction signs — Mixing up plus and minus signs, or not understanding the difference between the two operations, is common — especially in early elementary grades. If this persists well past first or second grade alongside other number challenges, it may be a sign worth exploring.
Writing or reversing numbers — Children with dyscalculia may frequently write numbers backwards (such as reversing 2, or confusing 6 and 9), even after repeated practice.
Taking a long time to recall basic math facts — Even after repeated drills and lots of practice, math facts like 3+4 or 7x5 may not stick, making problem-solving slow and frustrating.
Trouble with simple addition and subtraction — While young children often use their fingers to count, older kids with dyscalculia may still rely on counting to work out basic facts rather than recalling them automatically.
Difficulty recognizing patterns or sequences — They may not see the logic in number sequences (e.g., 2, 4, 6, 8) or struggle with skip counting.
Challenges with time concepts and reading clocks — Telling time on an analog clock, understanding elapsed time, or estimating how long something will take can be particularly tricky.
Difficulty with word problems — They may struggle to translate written problems into numbers or understand how math applies to daily life, such as handling money or measuring ingredients.
Struggles with spatial reasoning in math — Geometry, estimating distances, and understanding directions (left vs. right, up vs. down) may be particularly confusing.
Frequent math-related anxiety or frustration — They may avoid math homework, feel overwhelmed when faced with numbers, or express feelings like "I'm just bad at math."
If these signs sound familiar, it's not because your child isn't trying hard enough. Their brain simply processes numbers differently and needs a more tailored, multisensory approach to math.
Dyscalculia and ADHD or Autism
Dyscalculia often co-occurs with ADHD and autism. Students with ADHD may struggle to hold numbers in working memory or stay focused during multi-step problems. Students on the autism spectrum may have difficulty with the flexible, applied thinking math often requires.
If your child has any of these diagnoses, it's worth asking whether dyscalculia could be a factor — especially if math has been a persistent struggle even with accommodations in place.
Why Traditional Math Instruction Doesn’t Always Work
Most math programs rely heavily on memorization — math facts, formulas, and rules. While this approach works for some students, it often falls short for those with dyscalculia.
If a student doesn't have a solid grasp of what numbers actually represent, memorization alone won't build understanding. They can't apply their knowledge flexibly or build on it over time.
That's why multisensory math instruction, much like the Orton-Gillingham approach for reading, can make a real difference. By using hands-on, visual, and interactive methods, students truly understand math concepts rather than just recalling facts.
How the CRA Model Helps Kids With Dyscalculia
The CRA Model (Concrete-Representational-Abstract) is a research-backed way of teaching math that helps students see and understand numbers before moving to symbols and equations. It works like this:
🔴 Concrete: Using physical objects like counters, blocks, or place value charts to build understanding.
🟡 Representational: Moving to pictures, number lines, and drawings to represent numbers.
🟢 Abstract: Finally, using numbers and equations once the foundation is solid.
For example, if a child is learning place value, they wouldn’t just see "35" written on a worksheet. Instead, they’d first build 35 with base-ten blocks, draw what it looks like in a place value chart, and only then start working with the numbers themselves. This hands-on, multisensory approach makes math meaningful rather than just a list of rules to memorize.
Closing Foundational Gaps With Multisensory Math
Many kids with dyscalculia have gaps in early math skills that make everything else feel harder. If they never fully understood numbers, patterns, or place value, then addition, subtraction, multiplication, and division will always feel confusing.
Multisensory math tutoring focuses on identifying those gaps and filling them using the CRA model and step-by-step instruction — the same way Orton-Gillingham helps struggling readers, by making learning structured, engaging, and designed for the way each child processes information.
What to Do If You Think Your Child Has Dyscalculia
If your child is showing signs of dyscalculia, here's where to start:
Trust what you're seeing. If your child has persistent math struggles, they may need a different approach — not more of the same.
Look for a program that builds understanding, not just memorization. Structured, multisensory instruction creates lasting skills.
Consider multisensory math tutoring to strengthen number sense, place value, and foundational math skills.
Our online math tutoring program for dyscalculia uses the CRA model and multisensory instruction to help students build the number sense they're missing — without re-teaching what doesn't work. With the right approach, every child can become a confident math learner.
Interested in getting started? Schedule a free consultation to learn more.
Frequently Asked Questions
1. What are the signs of dyscalculia in kids?
Signs include trouble recognizing numbers, difficulty with place value, confusing addition and subtraction signs, reversing numbers, and strong math anxiety. The full list varies by student — some show many signs, others just a few.
2. What is the difference between dyslexia and dyscalculia?
Dyslexia affects how the brain processes written language — reading, spelling, and phonics. Dyscalculia affects how the brain processes numbers — math facts, place value, and numerical reasoning. A child can have one or both.
3. Why do children confuse addition and subtraction signs?
Confusing plus and minus signs is common in early elementary school and doesn't always indicate dyscalculia. However, if a child continues to confuse operation symbols well past first or second grade — especially alongside other number-processing challenges — it may be worth looking into further.
4. Do signs of dyscalculia look different in girls?
Yes. Girls often mask their struggles more than boys, using workarounds or staying quiet rather than asking for help. This makes them more likely to be overlooked. Persistent math anxiety and avoidance in girls is worth taking seriously.
5. Can a child with dyscalculia improve in math?
Yes, absolutely. Many students with dyscalculia make steady progress when they receive instruction that matches how they learn. Hammond Bell uses the CRA approach to rebuild understanding step by step.
6. Does my child need a formal diagnosis before starting support?
No. Many families begin support based on ongoing struggles, not a diagnosis. If you see persistent signs of dyscalculia, Hammond Bell's free consultation can help determine whether multisensory math tutoring is a good fit.
7. Is dyscalculia related to ADHD or autism?
Dyscalculia frequently co-occurs with both ADHD and autism. If your child has either diagnosis and continues to struggle significantly with math, it's worth exploring whether dyscalculia is also a factor.
8. How soon will I see progress with multisensory math instruction?
Some families notice increased confidence within a few weeks. Deeper understanding builds over time. Consistency, individualized pacing, and a structured approach lead to the best results.
About the Author
Lauren Hammond, M.Ed. is a certified dyslexia educator and the founder of Hammond Bell Educational Services, LLC. She specializes in multi-sensory reading, spelling, writing, and math instruction for students with dyslexia, dyscalculia, ADHD, and other learning differences. Lauren works with students online using structured, research-based programs including the Barton Reading and Spelling System, Orton-Gillingham, IEW, and the CRA math model. Her mission is to help every child build the skills and confidence they need to succeed in the classroom and beyond.