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ARITHMETIQUITIES
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ARITHMETIQUITIES

​When the world of Sfera is threatened by the machinations of a malevolent sorcerer, it will be up to a band of unlikely heroes to become the brightest light in the darkness.

The adventurers fan out across the land to find and retrieve the Arithmetiquities, a set of ancient mathemagical artifacts.

Will they collect the relics and perform the arcane rites before evil engulfs the world?

The Arithmetiquities is a fantasy adventure story told through a sequence of 36 mathematical puzzles.
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Meet our quirky heroes!
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Teachers are saying...

​​I've been very impressed with the rich discussion that's taken place (particularly when they disagree with one another) whilst they try to solve the problems.
Middle Grades Teacher // Livingston, Scotland

"I’ve loved using [the Arithmetiquities] with my Year 7 students who are ahead on maths skills but need more practice on problem solving and comprehension skills."
Middle Grades Teacher  //  Victoria, Australia
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Students are saying...

They have a fun little twist to them and more detail. It’s not like, “Sally had 3 apples,” but instead there are chapters that all come together and are actually fun for kids.
Seventh Grader // Seattle, USA

I'm always looking forward to the next chapter. Even though it's challenging, it makes me think outside the box.
Sixth Grader // Seattle, USA
Except where otherwise noted, content on this site is by Jason Ermer and licensed under a Creative Commons Attribution-Noncommercial 4.0 International license (CC BY-NC 4.0).
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