Maya found 5 seashells, then her friend gave her 3 more, and later she found 2 more. How many seashells does Maya have now?
Answer
10
The correct answer is 10 — Compute final total: shells.
Step-by-step solution
- Count shells Maya initially found: .
- Add shells given by friend: .
- Compute intermediate total: shells.
- Add the shells she found later: .
- Compute final total: shells.
Common mistake: Forgetting to add all groups, e.g., only adding first two groups
Concept tested: Sequential addition of items
Published · How this solution was prepared and checked
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