{"id":7122,"date":"2026-09-23T16:35:18","date_gmt":"2026-09-23T16:35:18","guid":{"rendered":"https:\/\/magrid.education\/?p=7122"},"modified":"2026-09-23T18:07:27","modified_gmt":"2026-09-23T18:07:27","slug":"down-syndrome-math","status":"publish","type":"post","link":"https:\/\/magrid.education\/fr\/down-syndrome-math\/","title":{"rendered":"Trisomie 21 et Math\u00e9matiques: Activit\u00e9s et Approche Visuelle sans Langage"},"content":{"rendered":"\t\t
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Children with Down syndrome are not “bad at math.” Developmental research shows that a meaningful part of their numeracy struggles traces back to verbal and sequential processing: counting sequences, arithmetic facts recited from memory, word problems. Visual approaches, when taught without a heavy language load, let children demonstrate and build more number understanding than verbal instruction alone allows.<\/p>

That doesn’t mean the difficulty is purely about delivery: arithmetic skills consistently lag well behind other academic and cognitive skills in Down syndrome, and some evidence points to atypical development in core number sense itself, not only a language barrier[1]<\/a><\/sup>. What the evidence supports is narrower and still useful: much of what looks like inability is actually a mismatch between how math is taught and how these children process information, though a genuine number-processing difficulty exists alongside it.<\/p>

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Why Math Is Harder to Teach Than to Learn<\/span><\/h2>

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For decades, low expectations shaped how math was taught to children with Down syndrome: less instruction time, a focus on functional skills like handling coins, and an assumption that abstract number concepts were out of reach. Research from the last 20 years has pushed back on that assumption, without swinging to the opposite extreme. Children with Down syndrome can build genuine number sense and perform calculations, but most mainstream math instruction is built on a channel that works against their profile: verbal, sequential, language-heavy delivery, layered on top of working-memory demands that make holding a spoken instruction in mind while also solving a problem exceptionally taxing.<\/p>

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The result is a familiar pattern: a child who can compare groups and recognize quantities visually, with the right supports, but who freezes when asked to count aloud in sequence or solve a problem read to them verbally. That gap is often smaller than it first appears once the delivery channel changes, though it doesn’t disappear entirely: the underlying difficulty with number is real, and a language-heavy delivery compounds it.<\/p>

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What the Research Actually Says About Number Sense<\/span><\/h2>

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Down syndrome research groups, including the UK-based Down Syndrome Education International (DSE) and its See and Learn Numbers programme, converge on a mixed but useful picture: early numeracy in Down syndrome draws on some of the same core systems as typical development, progress depends heavily on how instruction is delivered, and genuine number-processing difficulties exist alongside that, not instead of it.<\/p>

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Key findings that shape how Magrid approaches this:<\/p>

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