Secret Code Addition Worksheet
Secret Code Addition with Supermarket Things — Grade 1
On this sheet the carts, baskets and a till are a secret code: the legend tells the child what number each one is worth, and every row asks the child to look them up and add. With three or more picture-numbers per row, it practises adding several small numbers at once — the Grade 1 leap past two-addend sums — wrapped in a code-breaking puzzle that keeps a child engaged. Totals stay within twenty so the sums remain countable and checkable.
Decoding each picture before adding keeps a child from racing through on autopilot — every row needs a deliberate look-up, then a sum of several numbers. That extra step is why the code format suits Grade 1: it makes multi-number addition feel like a puzzle rather than a drill, while the within-twenty totals keep each answer countable and within easy reach of the strategies a child already has.
Children who like supermarket things treat each row as a small puzzle, which keeps a code-breaker happily adding. When this feels easy, crack the code in secret code addition with bakery treats, or try secret code addition with christmas. You can also browse every secret code addition worksheet or the whole supermarket things collection for grade 1 — each sheet prints cleanly or plays online for free.
What's inside
- 5 exercises
- 4 pictures
- Answer key included
- Print as PDF or play online — free, no sign-up
Updated May 5, 2026
Pictures on this worksheet
- Cash Register
- Cookie
- Muffin
- Juice
Try it — interactive
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Math · grade 1
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