HootRated mascot HootRated

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.

We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.

About This Book

Have you ever wondered what makes a number 'prime' or why a pentagon has five sides? Imagine having a magic book that explains all these tricky math words and more. What secrets will you unlock when you dive into over 300 math terms?

Themes

MathematicsJuvenile DictionariesEducation

Quick Assessment

This math dictionary by Judith De Klerk is designed for children ages 9-12, helping them understand over 300 mathematical terms commonly encountered in grade school. It supports both classroom learning and everyday curiosity about math concepts. The book is appropriate for middle-grade readers and contains clear, accessible definitions without any content concerns.

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, juvenile dictionaries, and education — 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, juvenile dictionaries, education.
  • Curious kids who prefer real-world topics over made-up stories.

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

Similar Books

Based on content and theme analysis

See all books like this →

Details

Book Length

128 pages
ISBN
9780756651947
Pages
128
Publisher
DK Children
Published
2009
Type
Nonfiction

Genres

Subjects

Mathematics