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Math dictionary

Judith De Klerk

Cover of Math dictionary

Math dictionary

Age Rating, Reading Level & Content Guide

by Judith De Klerk

Reading Level 4-5 9C Ages 9-12 Balanced Read

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 gentle with no concerning themes.

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About This Book

Ever wondered what makes a prime number special or how many sides a heptagon really has? Imagine having a magic book that explains all the tricky math words you hear in class and beyond. What secrets will you uncover inside?

Themes

MathematicsEducationalJuvenile Dictionaries

Quick Assessment

This math dictionary by Judith De Klerk offers clear, accessible definitions of over 300 math terms suitable for children ages 9 to 12. It's designed to support grade-school students in understanding key concepts both in the classroom and in everyday life. The content is straightforward and appropriate for middle-grade readers, with no challenging or sensitive themes.

Why we rated Math dictionary 9C

Math dictionary is written at a Level 4-5 reading level across 128 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Math dictionary works for readers up to grade 6.5.

We rate Math dictionary as 9C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.

No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.

Thematically, Math dictionary explores mathematics, educational, and juvenile dictionaries — 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.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about mathematics, educational, juvenile dictionaries.

Maybe not for

  • ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9C — Clear
Emotional
Clear
Physical
Clear
Social
Clear
Thematic
Clear

No conflict beyond everyday childhood experiences. Safe for sensitive readers.

Data confidence: standard

Was our "Gentle" content intensity rating accurate for this book?

Reading Insights

Hook Factor

1/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

1/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
2
Theme Richness
3
World Scope
1
Data Confidence
7

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Details

Book Length

128 pages
ISBN
9781553631064
Pages
128
Publisher
Dorling Kindersley
Published
2009
Type
Fiction

Genres

Subjects

MathematicsMathematiquesDictionnaires Pour La Jeunesse