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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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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 Vertical Divider
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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).