BOOK 3 OF 5 · AGES 10-12
The Mystery of the Digital Vault
Follow the money trail when a digital payment throws the club ledger off balance.
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- 87 PDF pages
- Illustrated ebook
- Chapter quizzes
About this book
An illustrated money mystery for ages 10-12. A missing ₹240 sends Memoon after receipts, account entries and a ledger that does not agree.
Try selected puzzles before the solution. Compare game-currency bundles, spot pressure tactics and calculate simple versus compound interest.
Chapter quizzes offer new money trails, bundle prices and interest cases. The free sample includes the opening discrepancy and a complete gem-bundle puzzle without the case resolution.
How each chapter works
Illustrated mystery with reader puzzles
What they’ll learn
- Reconcile card and tap payments with receipts.
- Convert game currencies, spot sales pressure and compare unit prices.
- Model compound interest with the Magic Snowball.
Contents
- 1The Missing ₹240
- 2The Tap at the Counter
- 3The Ledger with a Hole
- 4The Price of a Golden Hat
- 5The Ten-Second Trick
- 6The Market of Odd Boxes
- 7The Magic Snowball
- 8The Vault Opens
The project: Solve the Vault Case
Use a ledger, a unit-price comparison and an interest model to solve the case.
Who it’s for
Ages 10-12. An independent-reading mystery with puzzles to work out on paper.
What you need: Paper and a pencil for ledger, unit-price and interest calculations.
Included with your purchase
- The bookThe 87-page illustrated PDF ebook
- Chapter quizzes with lifetime accessPractise chapter skills, with answers, explanations and progress saved to your account.
Try a free sample: selected story and activity pages
Can’t see the sample? Open it in a new tab.
Next in the series
Book 4: The Orchard Owners. Explore the Financial Orchard as Memoon goes from customer to shareholder.
See Book 4Ratings & reviews
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