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Humble Math: Amazon KDP author data

Humble Math has 21 books on Amazon, 18 of them on a best-seller list in the last 30 days (best rank #1), mostly in Children's General Study Aids, Arithmetic, Study Aids.

21Books on Amazon
18Listed in 30 days
4.7Average rating
Median price$8.50
Price range (middle 50%)$6.50 – $9.99
Median reviews1,456
Total reviews44,706
New books (30 days)0
Breakout books (30 days)0

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What stands out

  • 86% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.

Humble Math's best-ranked books

  1. Humble Math - 100 Days of Timed Tests: Multiplication: Grades 3-5, Math Drills, Digits 0-1 book cover by Humble Math

    Humble Math - 100 Days of Timed Tests: Multiplication: Grades 3-5, Math Drills, Digits 0-12, Reproducible Practice Problems

    by Humble Math

    • Price$7.50
    • Rating4.8
    • Reviews12,319
    • Published2019-02

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  2. Humble Math - 100 Days of Timed Tests: Addition and Subtraction: Grades K-2, Math Drills,  book cover by Humble Math

    Humble Math - 100 Days of Timed Tests: Addition and Subtraction: Grades K-2, Math Drills, Digits 0-20, Reproducible Practice Problems

    by Humble Math

    • Price$5.99
    • Rating4.8
    • Reviews6,543

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  3. Pre-Algebra Skills: (Grades 6-8) Middle School Math Workbook (Prealgebra: Exponents, Roots book cover by Humble Math

    Pre-Algebra Skills: (Grades 6-8) Middle School Math Workbook (Prealgebra: Exponents, Roots, Ratios, Proportions, Negative Numbers, Coordinate Planes, ... & Statistics) – Ages 11-15 (With Answer Key)

    by Humble Math

    • Price$9.99
    • Rating4.6
    • Reviews743

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  4. Humble Math - 100 Days of Timed Tests: Division: Grades 3-5, Math Drills, Digits 0-12, Rep book cover by Humble Math

    Humble Math - 100 Days of Timed Tests: Division: Grades 3-5, Math Drills, Digits 0-12, Reproducible Practice Problems

    by Humble Math

    • Price$6.73
    • Rating4.8
    • Reviews2,703

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  5. Humble Math – 100 Days of Money, Fractions, & Telling the Time: Workbook (With Answer Key) book cover by Humble Math

    Humble Math – 100 Days of Money, Fractions, & Telling the Time: Workbook (With Answer Key): Ages 6-11 – Count Money (Counting United States Coins and ... – Grades K-4 – Reproducible Practice Pages

    by Humble Math

    • Price$6.25
    • Rating4.8
    • Reviews2,548

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  6. Humble Math – Measurement Basics: (With Answer Key) U.S. Customary & Metric System Measuri book cover by Humble Math

    Humble Math – Measurement Basics: (With Answer Key) U.S. Customary & Metric System Measuring Book | Learn to Measure | Unit Conversions | Metric ... Workbook - 100 Practice Pages (Ages 9+)

    by Humble Math

    • Price$8.99
    • Rating4.7
    • Reviews341

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  7. Pre-Algebra: Order of Operations (PEMDAS): Pre-Algebra Practice Problems with Step-by-Step book cover by Humble Math

    Pre-Algebra: Order of Operations (PEMDAS): Pre-Algebra Practice Problems with Step-by-Step Answers, Middle School Math Workbook - 9th grade - Ages ... – Easy Learning Worksheets - With Answer Key

    by Humble Math

    • Price$9.99
    • Rating4.6
    • Reviews1,193

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  8. Algebra for Beginners: With Answers (Step-By-Step Answer Key) | Middle School / High Schoo book cover by Humble Math

    Algebra for Beginners: With Answers (Step-By-Step Answer Key) | Middle School / High School Algebra Workbook for Ages 12-15 (Grades 7-9) | 100 Days of ... Algebra Problems, Equations & Inequalities

    by Humble Math

    • Price$9.99
    • Rating4.7
    • Reviews391

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  9. Humble Math – Money and Financial Literacy (U.S. Edition): Consumer Math (Ages 12+) Person book cover by Humble Math

    Humble Math – Money and Financial Literacy (U.S. Edition): Consumer Math (Ages 12+) Personal Finance for Kids and Young Adults - Money Skills for ... Banking | Investing | Loans | Business Basics

    by Humble Math

    • Price$9.99
    • Rating4.6
    • Reviews416

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  10. Humble Math - 100 Days of Decimals, Percents & Fractions: Advanced Practice Problems (Answ book cover by Humble Math

    Humble Math - 100 Days of Decimals, Percents & Fractions: Advanced Practice Problems (Answer Key Included) - Converting Numbers - Adding, Subtracting, ... Fractions - Reducing Fractions - Math Drills

    by Humble Math

    • Price$6.50
    • Rating4.7
    • Reviews3,133

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Main categories

About this data

Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.