Plus 1, minus 1

Ann H. Matzke

Cover of Plus 1, minus 1

Plus 1, minus 1

Age Rating, Reading Level & Content Guide

by Ann H. Matzke

Reading Level 2 7C Ages 5-8 Matched

The text is written at a 2nd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.

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About This Book

What if you could make a group bigger or smaller just by adding or taking away one friend? Imagine watching numbers come to life as you see what happens when you add 1 or minus 1. But what surprises will these changes bring?

Themes

Mathematical notationEarly math learningJuvenile literature

Quick Assessment

This early reader book introduces basic math concepts of addition and subtraction using simple text and engaging photos. Designed for children ages 5-8, it helps young learners understand how groups change when one is added or taken away. It is appropriate for early readers and focuses on foundational math skills without any challenging or sensitive content.

For Parents

Content Intensity

7C — 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
2
Emotional Weight
2
Theme Richness
3
World Scope
1
Data Confidence
7

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Details

Book Length

24 pages
ISBN
9781615902941
Pages
24
Publisher
Rourke Educational Media
Published
2011
Type
Fiction

Genres

Mathematical notation

Subjects

Mathematical NotationConceptsCounting & NumbersMathematics