10 Everyday Maths Activities for Children with Down Syndrome Using Northeast Indian Household Items

The most important thing Dr DeAnna Horstmeier’s 30 years of research teaches us is this: children with Down syndrome learn maths through real objects, not worksheets. The brain of a DS learner processes visual and tactile information more effectively than abstract symbols. Before a number can mean anything, a child must feel it, count it, touch it, move it.

Every household in Northeast India is already filled with the perfect maths teaching materials. Here are 10 activities you can start today.

1. Rice grain counting (Counting, 1–10)

What you need: A small handful of rice, two bowls.
How to play: Show your child how to move rice grains one at a time from one bowl to another, saying the number aloud as each grain moves. Start with 1–3 grains. When they can do 3 consistently, add one more. This builds one-to-one correspondence — the single most important early maths skill.
When: Any time, but especially good after cooking when rice is already out.

2. Vegetable sorting at the market (Sorting, Classification)

What you need: Vegetables from your weekly market.
How to play: Spread vegetables on the floor after the market. “All the round ones here. All the long ones there.” Start with 2 categories (shape or colour). Graduate to 3 when they master 2. From the Tura market: tomatoes (round, red), brinjal (round, purple), ladies finger (long, green), drumstick (long, green) — perfect sorting materials.
Why it works: This is Chapter 6 of the Horstmeier sequence — prenumber classification. It is the foundation all later maths rests on.

3. Coin identification game (Money, Chapter 20)

What you need: Real Indian coins (1₹, 2₹, 5₹, 10₹).
How to play: Lay coins on the table. “Find me the 2 rupee coin.” Your child holds each coin, feels its weight and texture. Real coins are much more effective than pictures of coins — the tactile experience matters. When they can name all coins reliably, move to “Which coin do you use to buy something that costs 5 rupees?”
Why it matters: The Horstmeier book calls money skills “the single most important daily-living skill” for adults with Down syndrome. Start early.

4. Chapati counting (Addition, Chapter 13)

What you need: Chapatis or rotis at mealtime.
How to play: “Papa ate 2 chapatis. I ate 3. How many did we eat altogether?” Push them together physically on the plate. Count all of them. This is the Horstmeier concrete addition method — real objects, real situations, physical combining. Never rush to writing number sentences before this physical stage is solid.

5. Calendar morning routine (Time, Chapter 17)

What you need: A large picture calendar with clear numbers.
How to play: Every morning, point to today’s date together. “Today is Tuesday. Yesterday was Monday. Tomorrow is Wednesday.” Use a large analog clock alongside — “See, the short hand is on 8. That means 8 o’clock — time for breakfast.” Teach the hour hand only first. Ignore the minute hand completely until hours are mastered.
Local context tip: Connect time to local events — market day, prayer day, school day. This makes time concepts immediately meaningful.

6. Calculator at the local shop (Calculator, Chapter 5)

What you need: A simple calculator (₹150–200 online).
How to play: Before any shopping trip, give your child the calculator. “The chai costs ₹15. The biscuits cost ₹10. Press 15, then +, then 10, then = and tell me the total.” Let them tell the shopkeeper the total. This is independence in action — and it is deeply motivating for children. The Horstmeier book is emphatic: introduce the calculator early, not as a reward but as the right tool. DS learners have difficulty with rote memorisation of number facts — the calculator removes this barrier.

7. Tally marks at mealtime (Tally, Chapter 13)

What you need: Paper and pencil.
How to play: “How many glasses of water did we all drink at lunch? Let’s make a mark for each one.” Draw tally marks together. Count them. This bridges concrete counting and written mathematics — a crucial transition. Tally marks also teach counting in 5s, which connects directly to money and clock-reading later.

8. Bead pattern necklaces (Patterns, Chapter 19)

What you need: Coloured beads or buttons, a string.
How to play: String beads alternating two colours: red, blue, red, blue. Ask your child: “What comes next?” Once AB patterns are solid, move to ABC patterns: red, blue, yellow, red, blue, yellow. Pattern recognition is the foundation of algebraic thinking — it seems simple but is mathematically powerful.
Local materials: Flower petals, seeds, or fabric squares work perfectly instead of beads.

9. Next-highest note practice (Money independence)

What you need: Real currency notes.
How to play: At any transaction, give your child the next-highest note (e.g., ₹20 if something costs ₹14, ₹50 if something costs ₹35). “We give this note and wait for the change.” Practice this at home first with role-play. The shopkeeper does the calculation — your child just needs to know which note to hand over and to check they received change. This is the most important money independence skill for adults with Down syndrome — the Horstmeier book dedicates an entire chapter to it.

10. The “one more / one less” game (Number sense)

What you need: Any small objects — stones, seeds, buttons.
How to play: Place 4 stones in front of your child. “How many?” (4). Remove one. “Now how many?” (3). Add one. “Now how many?” (4). This builds the crucial understanding that numbers are related — one more, one less — which is the conceptual foundation of addition and subtraction. Use the same set of objects every time initially so the child learns the pattern.

Ready for digital tools? Our free online maths tools — Matching & Sorting and Counting & Spotting — are built on exactly this research. Try them alongside these home activities for the best results.