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Math Mammoth Introduction to Fractions

84 pages
(of which 51 are lesson pages)

Sample pages (PDF)
Contents and Introduction
Add and Subtract Fractions
with Same Kind of Parts
Equivalent Fractions
Part of a Whole Group
Dividing into Two Parts

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Prices & ordering

PDF download $4.00

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Printed copy $10.50, b&w

Buy printed book at Lulu

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Printed book at Currclick

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Este libro en español

November 2011 - the PDF version of this book is now enabled for annotation!
This means that if you prefer, your student can fill it in on the computer, using the typewriter and drawing tools in Acrobat Reader version 9 or greater.

Math Mammoth Introduction to Fractions contains fraction-related material suitable for approximately grades 2-4. This material does not include division or multiplication of fractions, nor adding unlike fractions. The lessons are mostly simple, introductory lessons to various fraction topics.

The one exception to the "easiness" is the topic of finding fractional parts of a whole using division. These lessons are in the end of the book. I have included them here since I have included the topic in my Math Mammoth Grade 4 Complete Worktext (LightBlue Series), and they are accessible for children in 4th grade who have practiced single-digit division and long division.

Other than that, the topics covered are on a simple level, constantly illustrated with pictures, and with small denominators. The presentation avoids spelling out specific rules for manipulating fractions, but instead relies on the usage of pictures on a very concrete level.

The topics covered are

• one-half and fourth parts
• concept of a fraction
• concept of a mixed number
• adding and subtracting like fractions
• adding and subtracting mixed numbers with like fractional parts
• equivalent fractions with pictures
• comparing fractions - special cases.
• finding fractional part of a whole using division

The lessons proceed so that the first two are suitable for second grade, and the rest are suitable for third or for fourth grade.

The answers are in the back of the book.

Better Yet - Package Deals!
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Blue Series for grades 4-6 - $57 (download)
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All Inclusive - $192 (download) or $197 (CD)
"Everything" Bundle - $240 (download only)

Learn more about these Math Mammoth bundles!

*BONUS*: Buy any bundle listed above, and get the fully upgraded Soft-Pak software with more features and options for FREE (includes 4 math, 1 language arts, 2 testing programs).

*BONUS* - SOFT-PAK MATH SOFTWARE

I bet you'd have to agree: this is a steal! You can get Soft-Pak math programs (list price $24.95) for just a small $3.50 s&h fee - just by ordering ANY of my books at Kagi or CurrClick!

* Math Maker, for printable math activities with answer keys
* Math Master, for on screen practice of various math topics
* Math User, for answering the 900 multi-level word problems
* True/False Math Challenger for mastering facts 1-12

NOTE: if you purchase any one of the Math Mammoth bundles at Kagi store, you will get Soft-Pak in the download or included on the CD for FREE.

Soft-Pak may also be purchased at great 75% discount without a Math Mammoth purchase - click here for details.

How and where to order

You can buy Math Mammoth books at:

• Kagi store - all of the downloads and CDs. I maintain five different order pages at Kagi:
  • One for the Blue series,
  • another for the Golden and Green Series, and
  • third for the Light Blue complete curriculum products, and
  • one more for the Packages (CDs or downloads).
  • And yet an order page for Make It Real Learning workbooks.

  Kagi accepts all major credit cards, Paypal (USD), checks, cash, money orders, purchase orders, wire transfers, TrialPay, and even cash. Read more about the payment methods here. Please see Kagi Shopper Help for any other questions about the ordering process.

  After completing the order at Kagi, you will see the download links on the receipt page. You will also receive an email with download links for each book you bought, or for a zip file for the packages. You click on the links and download the books to your computer's hard drive.

  In case of any problems with the download, you can always email me, and I can email the books to you directly. My contact info will be in the email you receive.

• CurrClick.com 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.


• Lulu offers printed copies for the Blue, Golden, and Light Blue series books. You can also find links to Rainbow Resource on the individual product pages on this site.


• Rainbow Resource carries printed copies for the Light Blue series books, plus the Light Blue CD. You can also find links to Rainbow Resource on the individual product pages on this site.

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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.

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Math Mammoth books are PDF files. You will need Adobe Acrobat 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.