Murderous Maths
Kjartan Poskitt
Murderous Maths
Age Rating, Reading Level & Content Guide
by Kjartan Poskitt
The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.
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About This Book
What if math was full of wild characters like One Finger Jimmy and Chainsaw Charlie, who use numbers in the most unexpected—and dangerous—ways? Imagine learning how to save someone from deadly trouble or how not to accidentally shoot yourself with a cannon, all while exploring the thrilling side of maths. Can you solve the puzzles before the gangsters strike again?
Quick Assessment
This humorous and engaging book presents mathematics through quirky characters and adventurous scenarios that make learning fun for children ages 9 to 12. It combines math facts with entertaining stories involving fictional 'murderous' characters, offering a creative approach to understanding mathematical concepts. The content is appropriate for middle-grade readers, with no graphic violence despite the playful, dramatic themes.
Why we rated Murderous Maths 9LT
Murderous Maths is written at a Level 4-5 reading level across 144 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Murderous Maths works for readers up to grade 6.5.
We rate Murderous Maths as 9LT ("Light — Thematic") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.
Thematically, Murderous Maths explores mathematics, humor, and adventure — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
- ✓ Kids drawn to stories about mathematics, humor, adventure.
- ✓ Curious kids who prefer real-world topics over made-up stories.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LT — Light — ThematicLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780590134576
- Pages
- 144
- Publisher
- Hippo Bks
- Published
- 1997
- Type
- Nonfiction