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Math Mammoth Grade 3 Complete Curriculum

Math Mammoth Grade 3 Complete Curriculum is a complete math program for 3rd grade. It consists of two student worktexts (A and B), a separate answer key for each, tests, cumulative reviews, and in the download version, an additional worksheet maker (Internet access required) to make extra practice worksheets when needed.

cover for Math Mammoth Grade 3-A Complete Worktext
183 pages
163 lesson pages

cover for Math Mammoth Grade 3-B Complete Worktext
180 pages
158 lesson pages

Samples & info:
3-A contents and samples
3-B contents and samples
User Guide, grade 3
Grade 3 & Common Core

Prices & ordering

You can purchase Math Mammoth Grade 3 as a download, on a CD, or as already printed books.


Grade 3 complete:
$37.50 (download)
(part A and B worktexts, answer keys, tests, cumulative reviews, a worksheet maker, Soft-Pak)

Add to cart

Part 3-A only:
$18.75 (download)
(part A worktext, its answer key, tests, cumulative reviews, worksheet maker, Soft-Pak)
Add to cart

Part 3-B only:
$18.75 (download)
(part B worktext, its answer key, tests, cumulative reviews, worksheet maker, cutouts, Soft-Pak)
Add to cart

You will be purchasing the downloads from my authorized reseller Comecero, LLC.

You will be purchasing the downloads from my authorized reseller Comecero, LLC.


Full set grade 2: $42.50
(part A and B worktexts, answer keys, tests, cumulative reviews, a worksheet maker, and Soft-Pak)

Order CD at Rainbow Resource

Lesson plan

You can purchase a $9.95 lesson plan for Math Mammoth Grade 3 to use it in Homeschool Planet online planner. Learn more.

Add to cart

Printed copies

You can purchase printed copies at Lulu or Rainbow Resource.

Rainbow Resource Center sells perfect-bound texts either in full color or b&w:

Math Mammoth grade 3 (b&w)
Math Mammoth grade 3 (color)

Lulu sells spiral bound texts that are black and white inside:

3-A worktext $14.95
3-B worktext $14.95
Answer Keys $10.95
Tests & Cumulative Reviews $7.95

Supportive materials

The "supportive materials" are intended to be used with printed student books. Includes the digital (download) versions of the answer keys, tests, cumulative reviews, worksheet maker, and software Soft-Pak. It does NOT include the student books.

Supportive materials $8.95

Third grade is a time for learning and mastering two (mostly new) operations: multiplication and division within 100. The student also deepens his understanding of addition and subtraction, and uses those in many different contexts, such as with money, time, and geometry.

The main areas of study in Math Mammoth Grade 3 are:

  1. Students develop an understanding of multiplication and division of whole numbers through problems involving equal-sized groups, arrays, and area models. They learn the relationship between multiplication and division, and solve many word problems involving multiplication and division (chapters 2, 3, and 9). They learn the multiplication tables, and learn how to use their knowledge of multiplication tables to solve basic division facts.

  2. Students develop an understanding of fractions, beginning with unit fractions. They use fractions along with visual fraction models and on a number line. They also compare fractions by using visual fraction models and strategies based on noticing equal numerators or denominators (chapter 10).

  3. Students learn the concepts of area and perimeter. They relate area to multiplication and to addition, recognize perimeter as a linear measure (in contrast with area), and solve problems involving area and perimeter (chapter 7).

  4. Students fluently add and subtract within 1,000, both mentally and in columns (with regrouping). They learn to add and subtract 4-digit numbers, and use addition and subtraction in problem solving (chapters 1 and 6).

Additional topics we study are time (chapter 4), money (chapter 5), measuring (chapter 8), and bar graphs and pictographs (in various chapters).

Please also see the table of contents for 3-A and 3-B (in the sample files), which will let you see the topics covered in more detail.

Some main features of Math Mammoth complete curriculum (Light Blue series) are:

  • focuses on understanding of mathematical concepts
  • uses clear explanations, lots of visual exercises and pattern exercises
  • mastery oriented: concentrates fairly long on a topic, with fairly few topics per grade
  • emphasizes mental math and developing number sense
  • very little teacher preparation needed

Additional features for the digital version (download/CD)

The digital version includes a worksheet maker (Internet access required) that lets you make extra practice worksheets for many of the topics in the curriculum.

The chapter on coins (chapter 5) is included in seven currencies: US, Canadian, British, European, Australian, New Zealand, and South African money. You will automatically get all these versions when you buy the Grade 1 Complete Curriculum as a digital version (download or CD).

The PDF files are enabled for annotation. This means that if you prefer, your student can fill them in on the computer, using the typewriter and drawing tools in Acrobat Reader version 9 or greater, or on a tablet device using any PDF app with annotation capabilities. (Learn more.)

BONUS! If you purchase the download or CD version, you will also get Soft-Pak programs completely FREE. The 6 programs in Soft-Pak (4 math, 1 language arts, 1 list maker) offer both on-screen and printable activities in a low-graphic, high content format. Read more and see screenshots.


Here is a list of manipulatives that are needed or recommended for grade 3. Measuring tapes, scales, and measuring cups are only used in the measuring chapter.

  1. An old-fashioned alarm clock or other analog clock where you can turn the minute hand and the hour hand will turn as it is supposed to (optional; for 3-A).
  2. A ruler that measures in inches (for 3-B).
  3. A ruler that measures in centimeters (for 3-B).
  4. A measuring tape that measures in feet (for 3-B).
  5. A measuring tape that measures in meters (for 3-B).
  6. A kitchen scale that measures in ounces (for 3-B).
  7. A kitchen scale that measures in grams (for 3-B).
  8. A measuring cup that measures 1 cup (for 3-B), a pint jar, and a quart jar.
  9. A measuring cup that measures in milliliters (for 3-B).
  10. Fraction manipulatives. The curriculum contains printables to make your own fraction manipulatives. The text uses visual pie models extensively, and students even learn to draw them themselves for the exercises, therefore making or buying the manipulatives is entirely optional (optional; for 3-B).

Reviews / Testimonials of the 3rd grade curriculum is the perfect blend of easy and challenging for Mr. C.

It's easy to understand but the lessons still give him a real challenge.

In one lesson Mr. C was working on mental addition of 2 and 3 digit numbers and he loved challenging himself to get the answers quicker and quicker. While some curriculums might simply say "do the problem in your head", Math Mammoth broke the lesson down step by step to give Mr. C different tips and tricks to solve mental addition in easier ways.

Read the full review at This Outnumbered Mama blog.

By Kaylene
September 2016

I spent quite a bit of time researching which Math curriculum to use when I started homeschooling my 3rd and 5th grade kids. This was exactly what I hoped to find when I went looking. The placement test helped confirm which level to use. The material is easy to understand, yet challenging. We all love it and will continue to use it!

E. Allen

Thank you for creating Mammoth Math! It is beautifully and incrementally organized to promote student learning, makes the kids think, has excellent problem solving throughout, and follows the Common Core better than most curricula. All this for a superb price, especially since teachers pay for much of what is provided in their classrooms!

Cheryle Pope

I am no stranger to you now in But I just wanted to tell you how much I love your math cirriculum. I love the natural progression within the topic, the reviews and the cumulative reviews. I love the word problems that make them think and the puzzles too. My boys enjoy working in math and understand that some frustration and mistakes are all part of learning. I appreciate the simple rigor in this program. In the end, their longterm recall memory is great because of the progression and spiraling back with reviews and cumulative tests. It is just right for us.

Thanks again,
This satisfied mom:)

Math Mammoth review by Gingerbread Mommy

Review of Math Mammoth Grade 3 complete curriculum by Carrie Kerr

Good sampling of problems for the kids to solve without being overwhelming. Instructions are easy to follow. My third grader can read the instructions by herself and work most of the problems with little help from me. We really like the program and for the first time in years both my children (1st & 3rd) beg to continue their math lessons. The only change I would like to see is a little more detail on the instructions and addition of new material.

- archer11101, Co-op Member

I wanted to say that we love Math Mammoth. This is our 3rd year (3rd grade) and our daughter always enjoys math. It amazes me that she learns the new concepts so easily by just following the workbooks. We don't supplement with anything other than reinforcing the lessons through real life situations.

Margaret Glisson

I have enjoyed teaching my daughter from Math Mammoth this year. I can see considerable progress in her math comprehension and her confidence. Thank you very much for sharing with us your math style and offering it at such a great price!


I just wanted to say thank you for taking the time to create such a thorough, yet affordable, math program.

My husband and I have engineering degrees and our children have logical minds so we feel pretty strong in teaching math. Well, we started off and hung in with Saxon because it reminded us of how we learned math. Our oldest son became confused and our middle daughter "got it" but absolutely hated it, when previously she was doing math workbooks for fun.

I tried your free worksheets for lack of something better to do and could see how you give them a small chunk of new material per day, then build on it until they master it. This works perfectly with my son's learning style, and my daughter mentioned, "I like how this lady starts off easy then makes it harder. Her word problems are interesting."

I tell anyone who asks how much I like the program. It is rigorous, not dumbed down, but not overwhelming, and a good value for the money.

I hope you are seeing increased business and keep up the great work! Also, the You Tube videos are cool. It would be great to have one for all of your chapters.

Denise, Colorado Springs

I started using Math Mammoth with my daughter with whom I had been using Singapore. I got frustrated trying to coordinate the HIG with the text and the workbook and the textbook didn't have enough explanation for her. She is doing very well filling in some gaps with Math Mammoth now and is now starting to understand some concepts that weren't clear to her before. I'm impressed with how well it is working especially since we've only been using it a couple of weeks.

Dear Mrs. Miller,

Hello! I wanted to let you know that I ordered the Light Blue Series 3rd Grade and we've only used it about 4 days but my daughter is really starting to "get" math. She was using BJU and I absolutely love all of BJU's materials, however, the spiral approach to learning math just wasn't working with my oldest daughter. There wasn't enough repetition and the material seemed to only touch on the topics briefly before moving on. I was a bit behind on grading papers this semester and I noticed as I started grading tests and papers that she was really making some horrible mistakes in addition and subtraction. I looked at her and said "tell me what 5 + 3 is" and she held up her fingers counting them one by one and had to think about it a long time. I was mortified! Especially since my husband and I are both skilled in math more than just about any other subject. We started going through the lessons, and both of us cried many tears the first few days, but when she picked up on the "mental math" it all started to make sense to her. It was as if a light bulb came on! She has done well with math up until this point and so it really surprised me that she just wasn't getting it. I'm really excited about using your curriculum and hopefully she'll gain a much deeper understanding of math rather than having to use her fingers to add and subtract all the time. I'm glad I found you on the internet!

Amy from Oklahoma

From a homeschooling parent who has used Grade 3 Complete Worktext with a 10-year old fourth grader:

My favorite feature is the printable worksheets on specific topics. My daughter has struggled with confidence, but after a week of targeted worksheets, she knows that she can do it! Now for subtraction with borrowing from zero...

Vicky Schwartz

From a homeschooling parent who has used Grade 3 Complete Worktext with a third grader:

You asked how we liked your program.... Well, just to give you a little history... I found out about your math curriculum through Winter Promise and after looking at the samples from your site as well as ordering one of your small topic e-books, I went ahead & ordered the 3rd grade Lightblue curriculum from Winter Promise. Math is probably the least favorite subject for my daughter & we were having a real struggle with the program we were using before. Even though the program was colorful & looked interesting, it did not seem to explain the concepts behind the math facts. As soon as we switched to the Lightblue curriculum, I noticed an improvement in her attitude towards math. Also, I've noticed that she's been able to retain the information she's learning much better. I'm not sure if that's because we switched from a spiral approach to a mastery approach, but I'm sure that has something to do with it. :) On top of that, we just got her CAT test scores back a couple of weeks ago, and in math she scored in the 98th percentile with a perfect score! We also had her tested one on one with her evaluator and she scored in the 87th percentile with a grade equivalent of 5.1. So, as you can see, we are very happy with your program. :)

Tracy Homa

From a homeschooling parent who has used Grade 3 Complete Worktext with a third grader:

My daughter was in Saxon math but she was having difficulty learning new concepts and the teacher's book was just too much to sift through and I found it really didn't help much anyways. I switched to the Lightblue series grade 3 about a month ago and use it as our only math curriculum.

Please describe how you have liked the ebooks.
We really love it. I loved the helps on memorizing the multiplication table and within a couple of days my daughter had her 2's down. It is so nice to have the text with the workbook... my daughter really understands each concept as she does her problems. What used to take at least an hour to complete, she now does in 20 minutes. She recently completed her chapter 2 test and only missed one problem... but when I had her look at it again she realized what she did wrong... now that's what I call total comprehension! Thank you for created this series. I'm definitely going to order the grade 4 curriculum.

I wouldn't change a thing. Honestly. In my family we've done Lifepac, BJU, and Saxon and this is by far the best I've found.

Michelle Hall

See also a review of Math Mammoth Grade 3 complete curriculum by Carrie Kerr

How and where to order

You can buy Math Mammoth books at:

  • Here at website — simply use the "Add to cart" buttons you see on the product pages.
  • carries all Blue, Golden, and Light Blue series books as downloads. They accept credit cards and Paypal. You will be able to download the products immediately upon the purchase, and also return to your account at CurrClick to redownload.
  • Rainbow Resource carries printed copies for the Light Blue series books, plus several CDs (Light Blue and Blue series).
  • Homeschool Buyers Co-op offers download versions of the Light Blue series, plus the Blue series bundle.
  • Educents carries download versions of the Light Blue and Blue series.
  • K5 Learning offers download versions of the Blue series.
  • Lulu offers printed copies for the Blue, Golden, and Light Blue series books.

By purchasing any of the books, permission IS granted for the teacher (or parent) to reproduce this material to be used with his/her students in a teaching situation; not for commercial resale. However, you are not permitted to share the material with another teacher.

In other words, you are permitted to make copies for the students/children you are teaching, but not for other teachers' usage.

Math Mammoth books are PDF files. You will need Adobe Reader to view them, including if you use a Mac or Linux. You can try other PDF viewers, but they seem to either omit or mess up some of the images.

Math Mammoth Tour

Confused about the different options? Take a 7-day virtual email tour around Math Mammoth! You'll receive:

An initial email to download your GIFT of over 400 free worksheets and sample pages from my books; 6 other emails on 6 subsequent days that describe the different series of Math Mammoth products, answering the most commonly asked questions, including "What is the difference between all these different-colored series?"

This way, you'll have time to digest the information over one week, plus an opportunity to ask me personally which book would be right for your child or students.

Note: You will FIRST get an email that asks you to confirm your email address. If you cannot find this confirmation email, please check your SPAM/JUNK folder.

"Mini" Math Teaching Course

This is a little "virtual" 2-week course, where you will receive emails on important topics on mathematics education. The topics include:

- Teaching multiplication tables
- Why fractions are so difficult
- How to help a student who is behind
- Should you use timed tests
- The value of mistakes
- And more!

You will also receive a GIFT of over 400 free worksheets and sample pages from my books right in the very beginning. smile

Note: You will FIRST get an email that asks you to confirm your email address. If you cannot find this confirmation email, please check your SPAM/JUNK folder.

Math teaching tips & resources

Enter your email to receive math teaching tips, resources, Math Mammoth news & sales, humor, and more! I tend to send out these tips about once monthly, near the beginning of the month, but occasionally you may hear from me twice per month (and sometimes less often).

Peek at the previous tips here.

You will also receive:

  • A GIFT of over 400 free worksheets and sample pages from my books.
  • Once or twice a year, you may also receive an email where I promote something from — I simply want to spread the word about it.

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