The Reliquary Casebook
Surface Area Mystery Game: Prisms, Pyramids and Cylinders
A mystery in a crypt beneath Riverside Academy. Each relic is sealed, and the only way to seal it is to find its exact surface area — face by face.
- Grades
- Grades 7–8
- Math
- Surface area of prisms, pyramids and cylinders
- Format
- Solo, at each student's own pace
- Time
- 30–45 minutes
- Runs on
- Any browser — Chromebooks and projectors
How the game plays
- Students unfold each relic into a net and work out the area of every face.
- A built-in calculator and step-by-step checks keep them moving.
- Each solved case earns XP and Gold, and the story pulls them on to the next relic.
Skills covered
- Surface area using nets
- Area of rectangles, triangles and circles
- Surface area of prisms, pyramids and cylinders
Built-in questions follow the NC Standard Course of Study. You can upload your own question banks for any state's standards.
How to run it
Turn it on
In the Teacher Portal, switch the game on for your class and choose the topics or question bank it uses.
Introduce it
Open the slide deck from the game's resource shelf. Five minutes is enough to get students started.
Let students play
Students sign in with their login cards and open it from Games & Quests. Progress, XP and Gold save automatically.
Close the loop
Finish with the exit ticket from the resource shelf, or put a quick check on the Live Board.
Try The Reliquary Casebook with your class
The Reliquary Casebook is one of 19 games and labs in Numeria. A free trial unlocks all of them, plus the Teacher Portal, login cards, one class leaderboard, and the slides, guides and activities that come with every game.
Up to 6 class periods, 40 students each. Each request is approved by hand, usually within a day.
Questions? justinowens@justinowensauthor.com
