Math Mammoth
Math Mammoth is a low-cost, mastery-based math curriculum for grades K–8 written by Maria Miller. Its Light Blue Series worktexts combine short explanations and practice on the same page, sold mainly as PDF downloads.
What is Math Mammoth?
Math Mammoth is a complete math curriculum for kindergarten through 8th grade, written by Maria Miller. Its core is the Light Blue Series: two worktexts per grade (A and B) where the explanation and the practice sit on the same page. Most families buy it as PDF downloads and print what they need.
It is known for two things: it teaches for real understanding, and it costs far less than most programs with similar depth.
How it works
Each grade is organized into topical chapters, usually 8 to 10. A lesson starts with a short explanation, often with a picture or model, then moves straight into exercises. The program is mastery-oriented, so children stay with a topic for several lessons before moving on, with cumulative reviews to keep older skills fresh.
Many children read the lesson and work on their own, with a parent checking work and helping with new ideas. Read the short teaching notes at the start of each chapter; they explain the approach.
Each grade includes answer keys, chapter tests, cumulative review worksheets and an online worksheet maker for extra practice. Free videos, many taught by the author, match lessons in grades 1–7.
What it covers
| Grade band | Highlights |
|---|---|
| K | Early number sense and counting |
| 1–3 | Core arithmetic, place value, mental math, word problems |
| 4–5 | Fractions and decimals; calculator and coordinate graphing in grade 5 |
| 6–7 | Middle school topics; grade 7 is full pre-algebra |
| 8 | Final level before high school math |
There is no Algebra 1 or higher. Students move to a high school program after level 7 or 8. Because the program is more challenging than many, the author strongly recommends a Math Mammoth placement test before you buy.
Who it's best for
Math Mammoth fits families who want rigor on a budget, kids who like to read and work on their own, and parents teaching several children, since you can print pages again for your own family. The Blue Series topic books are handy for patching a single weak area.
Look elsewhere if your child needs a teacher or video for every lesson, or if you want colorful consumable workbooks shipped to the door.
Pricing at a glance
A full grade is $42.50 as a download, and the full K–8 bundle is $245.50. Printed books come from Rainbow Resource, Lulu and other stores, and print users can add the digital keys and tests for $9.60 per grade. Explore more budget-friendly homeschool curriculum.
Can a scholarship or ESA pay for it?
Often, yes. Curriculum is a commonly allowed expense in programs such as the Arizona ESA and Florida's scholarships. Some programs require buying through an approved marketplace, so check before you order. Save Math Mammoth to your wishlist, then see scholarships in your state and apply once on Edulist.
How it compares
- Singapore Math is similar in depth but more parent-taught. See Math Mammoth vs Singapore Math.
- Beast Academy is more puzzle-heavy and colorful. See Beast Academy vs Math Mammoth.
- Saxon Math uses spiral review instead of mastery chapters.
- Dimensions Math offers more teacher guidance.
Browse all homeschool math curriculum or see our best homeschool math curriculum.
Who Math Mammoth is for (and who it isn’t)
Best for
- Families who want rigor on a tight budget
- Kids who can read a short explanation and get to work
- Families teaching several children with one purchase
- Filling specific gaps with Blue Series topic books
Look elsewhere if
- Children who need daily teacher-led or video instruction
- Families who want colorful, consumable workbooks shipped to the door
- Students past 8th grade (no Algebra 1 or higher)
Math Mammoth pros and cons
Pros
- Very low price for a complete, rigorous curriculum
- Strong on concepts, visual models, mental math and number sense
- Nearly self-teaching for many children, with little prep time
- Answer keys, tests, reviews and worksheet maker included
- Free, detailed placement tests for every grade
Cons
- Explanations can be too brief for some students
- Some word problems need adult help
- Black-and-white printing sometimes loses color-coded meaning
- PDF-first: you print or buy books from third parties
- Ends at grade 8
What’s included
- Complete Light Blue Series curriculum for grades K–8
- Worktexts with instruction and exercises together
- Answer keys, chapter tests and cumulative reviews included
- Online worksheet maker for extra practice
- Free placement tests and free author videos for grades 1–7
- Blue Series topic books for filling gaps
Math Mammoth levels
| Level | Grades | What it covers |
|---|---|---|
| Kindergarten | Kindergarten | Early number sense and counting. The kindergarten placement test has no answer key. |
| Grades 1–3 | 1–3 | Core arithmetic and place value, taught with inexpensive manipulatives, word problems and mental math. Money chapters come in several currencies. |
| Grades 4–5 | 4–5 | Carefully sequenced fractions and decimals. The calculator is introduced in grade 5, along with coordinate graphing of patterns. |
| Grades 6–7 | 6–7 | Upper elementary and middle school topics leading to grade 7, which is a full pre-algebra course. |
| Grade 8 | Grade 8 | The final Light Blue level before high school math. Video coverage for grade 8 is still in progress. |
Free end-of-year tests for kindergarten through grade 8, grouped by topic. Start with the highest test you expect your child to pass: 80–89 percent means move on to the next grade, and under 50 percent means try the test below.
Official Math Mammoth placement test ↗How much does Math Mammoth cost?
A full grade as a digital download is $42.50 (both A and B worktexts, answer keys, tests, cumulative reviews and the worksheet maker); each half-year worktext is $21.25. Bundles are cheaper per grade: K–4 for $133, 5–8 for $112.50, and K–8 for $245.50. If you buy printed student books elsewhere, the digital supportive materials (keys, tests, reviews, worksheet maker) are $9.60 per grade. Prices checked October 2026.
| Plan | Price | Billed | Per month |
|---|---|---|---|
| One grade, digital (e.g., Grade 3) | $42.50 | One-time | — |
| Half-year worktext, digital (e.g., 3-A) | $21.25 | One-time | — |
| Light Blue K–4 bundle, digital | $133 | One-time | — |
| Light Blue 5–8 bundle, digital | $112.50 | One-time | — |
| Light Blue K–8 bundle, digital | $245.50 | One-time | — |
| Supportive materials for print users | $9.60 | One-time | — |
Free trial: No trial, but free placement tests and free sample pages let you check the fit.
Prices from the provider, checked 2026-10-13. Always confirm on the official site.
Future opening updates
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Math Mammoth FAQs
What is the difference between Math Mammoth Light Blue and Blue?
The Light Blue Series is the complete curriculum, one level per grade from K to 8. The Blue Series is a set of topic-based worktexts, such as a fractions book, meant for filling gaps or supplementing another program.
How much does Math Mammoth cost?
As of October 2026, one grade as a digital download is $42.50, and the full K–8 digital bundle is $245.50. Printed books are sold separately by stores like Rainbow Resource and Lulu.
Is Math Mammoth like Singapore Math?
They are often compared because both teach for deep conceptual understanding with visual models and mental math. Reviewers find Math Mammoth slightly less challenging and more self-teaching, and it costs much less.
Is Math Mammoth mastery or spiral?
Mostly mastery. Each grade is organized into topical chapters, usually 8 to 10, with some light review mixed in.
Can my child do Math Mammoth independently?
Often, yes, once they read well. The program describes itself as nearly self-teaching for many children. Younger kids and new concepts may still need a parent, and the chapter notes are worth reading.
Does Math Mammoth have videos?
Yes. Free videos matched to the lessons cover grades 1–7, with grade 8 in progress. The author teaches many of them herself.
Can an ESA pay for Math Mammoth?
Often, since it is curriculum. Each program sets rules on which vendors and formats qualify, so check first. You can save it to an Edulist wishlist and apply once to scholarships.
Sources and last checked
Checked 2026-10-13 against these sources: