United States · Math Mammoth Light Blue Series · Grades 1 to 7

Math Mammoth tutor online, for when self-teaching needs a voice

Math Mammoth is built to be read by the child: the explanations, the pictures and the exercises are all in the same worktext, and many homeschoolers work through it with little help. Then a chapter arrives where the written explanation is not enough, often in multiplication, long division or fractions, and the child needs someone to talk it through. Below, using Math Mammoth's published pages, we set out how the Light Blue Series is put together, then show the point at which a live teacher is worth adding and how to do it without taking over.

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Short version

Math Mammoth is a mastery-oriented homeschool math curriculum whose Light Blue Series covers grades K to 8 in two worktexts per grade, with explanations written directly to the student and a strong focus on mental math and word problems. A Math Mammoth tutor works live on the chapter where self-teaching has stalled. Modern Age Coders offers that help live online, mainly in its Elementary Mathematics course, choosing between a group batch and 1-on-1, and you pay nothing for the first class.

Courses for Light Blue students

Live math courses for Math Mammoth families

The worktext stays your curriculum. These classes add a teacher who listens to how your child thinks.

Elementary Maths for Grades 1-5 course thumbnail

MM / 01

Elementary math

Grades 1 to 5: place value, multiplication, division, fractions and measurement.

Open the syllabus →
Mental Maths for Kids course thumbnail

MM / 02

Mental math

The strategy work Math Mammoth leans on, practised aloud.

Open the syllabus →
Middle School Mathematics Mastery course thumbnail

MM / 03

Middle school math

For grades 6 and 7: ratios, percent, integers and equations.

Open the syllabus →

The series

What is Math Mammoth, and what does it cover?

The site says: "Math Mammoth Light Blue Series constitutes a full elementary mathematics curriculum for grades K-8." It also publishes topical books and versions for other countries.

Math Mammoth at a glance (mathmammoth.com home and complete curriculum pages, checked 31 October 2026)
FeatureWhat Math Mammoth says
ScopeLight Blue Series, kindergarten to grade 8
ApproachMastery-oriented, organized into chapters by topic; "Each grade level typically contains 8-10 chapters."
EmphasisConceptual understanding, mental math and number sense; "Visual models and exercises are used a lot."
Mental math"Mental math strategies are taught and practiced explicitly."
Word problems"Word problems are present in nearly every lesson", with operations varied so children have to think
Teaching style"All the instruction in the worktexts is written directly to the student."; described as nearly self-teaching
VideosFree videos matched to the curriculum for grades 1 to 7, with grade 8 in progress
Other booksBlue Series topical worktexts for filling gaps or supplementing another curriculum
VersionsUS, International, Canadian and South African

What comes after grade 8

Math Mammoth is clear: "Math Mammoth does not offer algebra 1 or above." It adds: "After MM7 or MM8, students can proceed directly to high school math (such as algebra 1)."

That handover is a natural moment for a live teacher, because the next curriculum will be written in a different voice.

Why the operations are mixed

The site explains that "The operations used in the problems vary so that children learn to think, and not simply apply the operation that is in the title of the lesson."

That is excellent design, and it is also why some children stall: they can do the lesson's skill, but not yet decide when to use it.

Sources: Math Mammoth and its complete curriculum page, checked 31 October 2026. Math Mammoth is a trademark of its owner. Modern Age Coders is not affiliated with or endorsed by Math Mammoth.

Worktexts

How is a Math Mammoth lesson structured?

There is no separate teacher script. "Each grade level consists of two student worktexts (A and B), which contain both the teaching (explanations) and all of the student work (exercises)."

What comes with each Light Blue grade level (complete curriculum page, checked 31 October 2026)
PartWhat it is for
Worktext A and worktext BThe explanations and the exercises, lesson by lesson, in chapters by topic
Answer keysIncluded for levels 1 to 8
Chapter testsIncluded for levels 1 to 8
Cumulative review worksheetsAdditional review across chapters, levels 1 to 8
Worksheet makerExtra practice sheets, with internet access
VideosMatched to lessons, free online for grades 1 to 7

Read

Each lesson opens with an explanation and a picture, written to the child. Reading it slowly, aloud if needed, is the first step.

Try

Exercises follow straight after, beginning close to the example and moving further from it.

Mix

Word problems near the end use a mix of operations, which is where real understanding is tested.

Because everything is in one book, a parent often sees only the finished page. The reasoning behind it may never be said aloud. Asking your child to explain one exercise each day, in their own words, is the simplest check that the self-teaching is working.

Placement

How do I place my child in Math Mammoth?

Math Mammoth publishes free placement tests and gives unusually direct advice: "Many popular math curricula are easier than Math Mammoth and thus there is a danger the child is placed too high" if you go by grade alone.

  1. Know what the tests are. Math Mammoth says "They are end-of-year (EOY) tests", meant to be taken after studying that grade.
  2. Start high. Choose the highest level you think your child will pass, and give that test first.
  3. Read results by section. The questions are grouped by topic, so a low geometry or fractions section shows exactly where a gap is.
  4. Test lower if needed. Math Mammoth suggests giving sections of lower-level tests to find how large a gap is.
  5. Keep it low-pressure. It advises against strict time limits, and suggests postponing tests for a child who is already anxious about math.

Using the results with a tutor

Bring the section scores to a free first class. A child who scored well overall but low in one topic does not need to drop a whole grade.

Our teachers can work on that topic live while your child continues the main worktext, or you can use a Blue Series topical book for the same gap, as Math Mammoth suggests.

Switching from another curriculum

Children moving from a gentler program sometimes find Math Mammoth's word problems a shock. That is not failure; it is the placement warning in action.

A few weeks of explained mixed problems usually settle it.

Source: Math Mammoth placement tests, checked 31 October 2026.

Stall points

Which Math Mammoth chapters cause children the most trouble?

These are the places our teachers meet most often when homeschool students bring Math Mammoth work to class. They are general teaching guidance, not statistics.

Common Math Mammoth stall points and what helps (our teaching notes)
WhereWhat happensWhat tends to help
Grade 2 and 3 mental mathCounts on fingers instead of using a strategyName one strategy and use only that for a week
Grade 3 and 4 multiplicationTables memorized in order, not by relationshipBuild each fact from one you know
Grade 4 long divisionLoses place in the stepsEstimate first, then divide
Grade 4 and 5 fractionsTreats numerator and denominator as separate numbersAlways draw the whole
Making changeSubtracts on paper and loses trackCount up from the price
Mixed word problemsUses the operation in the lesson titleAsk "what is happening?" before any numbers

The self-teaching trap

A capable reader can finish pages by copying the pattern of the example. Scores look fine until the chapter test or the cumulative review.

If the review pages go badly after good lesson pages, the explanation was read but not understood.

When to bring in a teacher

Not for one bad page. A teacher helps when the same kind of mistake repeats over a chapter, or when your child stops wanting to open the book.

Often a few sessions on one chapter are enough before the worktext can lead again.

Worked examples

What mental math strategies help with Math Mammoth?

Math Mammoth teaches mental math explicitly, and these are the kinds of strategies our teachers practise aloud with students. All examples and wording are ours, not taken from the worktexts.

Multiplication facts from facts you already know (our examples)
FactStrategySaid aloud
7 x 8Double, double, double: 7 x 2 = 14, x 2 = 28, x 2 = 56"Times 8 is doubling three times."
9 x 6Ten times, minus one group: 60 - 6 = 54"Nine sixes are ten sixes take away one six."
6 x 7Five sevens plus one more: 35 + 7 = 42"Six groups is five groups and one more."
25 x 12Four 25s make 100: 12 is three fours, so 300"Group the 25s into hundreds."
4 x 19Round and fix: 4 x 20 = 80, minus 4 = 76"I used one too many in each group."

Dividing 96 by 4 in your head

Split 96 into parts that divide easily: 80 and 16. Then 80 / 4 = 20 and 16 / 4 = 4, so 96 / 4 = 24.

Check by multiplying: 24 x 4 = 96. The idea to say aloud: you may split the number you are dividing, as long as every part is shared by the same amount.

Making change by counting up

Our problem: something costs 13.65 dollars and you pay with a 20-dollar bill. Count up from the price: 35 cents makes 14.00, then 1 dollar makes 15.00, then 5 dollars makes 20.00.

Change: 5 + 1 + 0.35 = 6.35 dollars. The idea to say aloud: it is easier to add up to the bill than to subtract across zeros.

Mixed word problems: decide the operation first (ours; answers in brackets)
ProblemWhat is happening, and the answer
A book has 8 chapters of 24 pages. How many pages?Equal groups, so multiply [192]
84 stickers are shared by 7 children. How many each?Equal sharing, so divide [12]
A ticket costs 6.40 dollars; you pay 10 dollars. Change?Count up [3.60 dollars]
Sam read 37 pages, then 48 more. Pages read?Joining, so add [85]
A 3/4-full jug holds 600 mL. Full jug?Each quarter is 200 mL [800 mL]
9 x 14 in your headTen fourteens minus one [126]

With a tutor

How does a live tutor work alongside Math Mammoth?

Math Mammoth is designed for independence, so a tutor should protect that. Our lessons follow the worktext and hand the work back to your child as soon as possible.

  1. Tell us the grade, worktext (A or B), chapter and lesson. Placement test section scores help too.
  2. Read the explanation together. The teacher asks your child to put it in their own words, which shows what was missed.
  3. Practise the strategy aloud. Mental math in particular is learned by saying it, so classes are full of talk.
  4. Mix the problems. Fresh mixed word problems written by our teachers, so your child practises choosing the operation.
  5. Hand back to the book. When your child can explain the chapter, they carry on alone with the worktext and its reviews.

Worktext alone

For a child who reads the explanations, explains answers when asked and does well on chapter tests.

Worktext plus a batch

For a child who enjoys hearing others' strategies, in a class of fifteen to twenty.

Worktext plus 1-on-1

For a gap shown by placement, or a chapter where confidence has gone.

Strategies

From counting to choosing a strategy

Our description of how mental math grows in a Math Mammoth child.

Stages of mental math (ours)
StageWhat it looks like
1. CountingCounts on or uses fingers
2. RecallingKnows some facts by heart
3. DerivingBuilds new facts from known ones
4. ChoosingPicks the quickest strategy and says why

For parents

Stage 3 matters more than speed. A child who can build 7 x 8 from 7 x 4 will never truly forget it.

Ask "how did you know?" more often than "what is the answer?"

For students

If you forget a fact, build it from one you know.

Before a word problem, say what is happening in the story.

The catalogue

Math courses for Math Mammoth homeschoolers

Arranged by where your child is in the Light Blue Series.

I

Kindergarten to grade 2

First numbers

MM / K / 03

Reasoning and readiness

Pattern puzzles, ages 6 to 9.

Open the syllabus
II

Grades 3 to 5

Operations and fractions
III

Grades 6 to 8 and after

Toward algebra

Timetable

Live classes that hand the work back to the worktext

Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays.

Weekdays

Daytime homeschool slots or later.

Weekends

A weekly session on the hardest lesson.

1-on-1

Matched to your worktext chapter.

Worktext leads

We follow your chapter.

Said aloud

Strategies practised in talk.

Mixed problems

Choosing the operation.

Placement aware

Section gaps targeted.

Short stints

Help for a chapter, then back.

Group or single

Fifteen to twenty, or 1-on-1.

Student work

Our students' projects

Homeschoolers often try coding once arithmetic feels easy. Some results are on student labs.

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A chatbot that answers mathematics and programming questions, built and deployed by a student.

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GuardianX

An assistant that helps a young person recognise unsafe situations online.

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A weather forecasting site with live conditions for any location.

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Fees

Fees

Math Mammoth support is billed monthly in US dollars, with no term to sign up for. Many homeschool families use a teacher for a single chapter, such as long division, and then let the worktext lead again.

Free first class

USD 0

no card required

  • A free trial class
  • Bring the stuck lesson
  • No card details
Book it

Group batch

USD 100

a month, billed in US dollars

  • A class of fifteen to twenty
  • Same teacher weekly
  • Pick a batch
  • Month by month
Start here

One to one

USD 150

a month, billed in US dollars

  • Just your child
  • Paced to the worktext
  • Daytime slots too
Enquire

What families say

Rated 4.9 across 547 Google reviews

Parent reviews from Google, copied without changes.

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"Modern Age Coders has been a game-changer for me. I struggled to grasp IT concepts and coding before joining, but their classes transformed everything. I can now confidently write complex programs with ease."

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Student

★★★★★

"One of the most wonderful education centres out there. Education is not limited to school syllabus but focuses on skill development."

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Student

★★★★★

"My child Dhairya is really enjoying the Modern Age Coders classes. This is his first online class and he eagerly looks forward to it. I can already see his improvement, and the teachers are very cooperative."

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Parent of Dhairya

★★★★★

"Modern Age Coders have wonderful teachers who teach in a clear, easy and practical way. The teacher boosts students' confidence and inspires them to learn without hesitation."

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Parent

★★★★★

"I highly recommend this computer coding class! The teachers are incredibly knowledgeable and passionate about coding."

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Homeschool questions

Math Mammoth tutoring: common questions

Do you offer a Math Mammoth tutor online?

Yes. Homeschool students who use Math Mammoth join our teachers live online, working on the chapter where they are stuck. Classes run in a batch of 15 to 20 or one to one.

What grades does Math Mammoth cover?

The Light Blue Series is a full curriculum for kindergarten to grade 8. Math Mammoth says it does not offer Algebra 1 or above, and that after grade 7 or 8 students can go straight to high school math such as Algebra 1.

Is Math Mammoth self-teaching?

Math Mammoth describes it as nearly self-teaching, with all instruction written directly to the student and free matched videos for grades 1 to 7. Many children manage alone for long stretches; a teacher helps when a chapter does not click.

How does Math Mammoth teach multiplication?

Math Mammoth says mental math strategies are taught and practised explicitly. In our classes we build each fact from known ones, such as 7 x 8 by doubling three times, so children can recover a fact they forget.

Where can I find Math Mammoth extra practice?

Each grade includes a worksheet maker, and levels 1 to 8 include cumulative review worksheets; the site also offers free online practice. Our teachers add fresh mixed problems of their own in class.

Which Math Mammoth placement test should my child take?

Math Mammoth suggests starting with the highest level test you think your child will pass. The tests are end-of-year tests grouped by topic, so look at section scores, and test lower sections if a gap appears.

Why is my child struggling with Math Mammoth word problems?

In our experience it is usually because the operations are mixed on purpose, and the child is still using whatever the lesson title suggests. Asking what is happening in the story before using any numbers helps a lot.

Will a tutor replace Math Mammoth?

No. The worktext stays your curriculum. We teach the stuck chapter live and hand the work back to the book as soon as your child can explain it.

When are classes?

Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays.

Are you connected with Math Mammoth?

No. We are an independent online school. Math Mammoth is a trademark of its owner, and we describe it only from its own published pages.

Elsewhere on this site

Related pages

More for US homeschool families.

Homeschool math curriculum

Planning math across the homeschool years.

Third grade math tutoring

Multiplication facts and strategies.

Fourth grade math tutoring

Long division and fractions.

Algebra tutoring

The step after Math Mammoth grade 7 or 8.

Beast Academy tutor

Another homeschool favorite, explained.

Teaching Textbooks help

A self-grading app-based program, explained.

Related pages in this guide

Part of the guide: Homeschool and school math curricula guide

Curricula we teach alongside

Comparing options

Homeschool testing and credit

More guides: US state math tests by state · US gifted and selective school tests · US math placement and college readiness tests · US math and coding competitions guide

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Book a free first class

Tell us your child's Math Mammoth grade, worktext A or B, chapter and lesson. Placement test section scores are welcome. We start with the lesson that stalled.

Find out how we teach online, or view the course list.

WhatsApp us · +91 91233 66161 · connect@modernagecoders.com

With teachers based in India, we can teach US homeschoolers in the morning and early afternoon as well as the evening. Start with a WhatsApp message.

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