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Math Mammoth Discovery Word Problems

Discovery Word Problems book cover
77 pages
(answers included)

Contents and sample pages


Prices & ordering

PDF download USD $6.80

Add to cart

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

Printed copy

Buy at Lulu ($9.70 USD)

Other bookstores:
use ISBN ‎ 978-1954379282

Math Mammoth Discovery Word Problems is intended for students in 4th grade and above that need more practice with word problems. I especially aim to help students in grades 4-7 who have trouble with word problems and who may need to “go almost back to the beginning,” so to speak, to learn to solve them.

The skills covered include addition, subtraction, multiplication, division, large numbers, divisibility, units of measurement, bar models in problem solving, average, geometry, fractions, and decimals. The problems require knowledge of fourth grade math, such as long division, long multiplication, knowledge of basic measurement units, and the usage of several operations. However, there are only a few worksheets dedicated to fractions and decimals, and the problems in general do not require calculations with fractions or decimals, with the exception of money amounts.

The book presents a variety of situations — many of them about animals and farming — so that students will have some fun as they look for and discover the solutions. Mathy the Mammoth, with his obsession with blueberries, is featured several times, and students will also go hiking and traveling around the world. There are also some challenging word problems (marked as such) and interesting puzzle corners.

Some worksheets have examples and some instruction related to problem solving. Students are often encouraged to write down the calculations they do. I suggest that you also encourage your student(s) to make a drawing or a sketch of the situation in the problem (if applicable), to help them understand the situation and to see what math operation is involved.

Overall, the problems in this collection require multiple steps, with the exception of question #1 in worksheet “Division Warm-Up”, as it focuses on differentiating what math operation should be used.

If the problems in this book seem slightly too difficult, check out Math Mammoth Foundational Word Problems. The problems in it only require concepts and skills from 3rd grade math.

The PDF version of this book can be filled in on a computer, phone, or tablet, using the annotation tools found in many PDF apps. See more.



You might also be interested in:
  • Math Mammoth Multiplication 2—a worktext that covers multi-digit multiplication and related topics, including a variety of word problems (grade 4).
  • Division 2 — grade 4. This book covers long division, finding fractional parts of a quantity, and problem solving.


Better Yet - Bundle Deals!

Blue Series - $165 (download)
Blue Series for grades 1-3 - $49 (download)
Blue Series for grades 4-5 - $47 (download)
Blue Series for grades 6-8 - $69 (download)

Light Blue Series, grades 1-8 - $225 (download)
Light Blue Series, grades 1-4 - $112.50 (download)
Light Blue Series, grades 5-8 - $112.50 (download)

All Inclusive Bundle - $275 (download)

"Everything" Bundle - $330 (download)

Learn more about the bundles!

*BONUS*: Buy any bundle listed above, and get the fully upgraded Soft-Pak software for FREE (includes 4 math and 2 language arts programs, complete with on screen and printable options).

How and where to order

You can buy Math Mammoth books at:

  • Here at MathMammoth.com website — simply use the "Add to cart" buttons you see on the product pages.
  • Rainbow Resource carries printed copies for the Light Blue series books, plus several CDs (Light Blue and Blue series).
  • Homeschool Buyers Club offers download versions of the Light Blue series, plus the Blue series bundle.
  • Homeschool Planet sells the digital versions of the main curriculum and lesson plans to go with them.
  • K5 Learning offers download versions of the Blue series.
  • TPT sells the Light Blue Series downloads, plus topical units.
  • Lulu sells printed copies for most of the Math Mammoth materials (various series).

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. I recommend you use Adobe Reader to view them, including if you use a Mac. You can try other PDF viewers, but they may at times either omit or mess up some of the images.
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