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Math Mammoth Division 2: Elementary Math Worktext

77 pages
(63 lesson pages)
Price: $5.00 download

Buy printed hardcopy
at Lulu - $9.95, b&w

Sample pages (PDF)
Contents and Introduction
Division Terms,
Zero and One
Finding Parts with Division
Long Division 1
Long Division with
4-Digit Numbers
Average
Divisibility Rules

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Math Mammoth Division 2 is a continuation of the Math Mammoth Division 1 book. It includes lessons on division, long division, the remainder, part problems, average, and problem solving. The book is most suitable for fourth grade, when children are first introduced to long division.

We start out by reviewing basic division by single-digit numbers. Then students study some basic division topics such as division terms, division by 1 and 0, and dividing by whole tens and hundreds.

The lesson Finding Parts with Division is very important. It shows an important relationship between fractions and division. For example, we can find 3/4 of a number by first finding 1/4 (divide by 4), then multiplying that result by 3.

The lesson on remainder is just before the first lesson on long division, because that is where the student needs to understand this concept very well.

Long division is taught in several small steps over many lessons. We start with the situation where each of the thousands, hundreds, tens, and ones can be divided evenly by the divisor. Then is introduced the remainder in the ones. Next comes the situation where we have a remainder in the tens. Finally, when we have a remainder in the hundreds, and so on.

All along the long division lessons, the process is explained so that the student can understand what it is based on. After the many lessons that practice and explain long division, we see a comparison between repeated subtraction and long division. The purpose of this lesson is to shed light in the basic idea of long division, and not to practice a new calculation method.

After long division is mastered, we study the concept of average. Next comes Long Division with Remainder, which also contains a section on packing problems

The next two lessons contain plenty of part-related problems to solve. These problems deal with fractional parts of a sum total, and include both dividing and multipying. I have included many diagrams and pictorial representations of these problems to help the student. Encourage him to draw one for those problems that don't have any.

The last two topics are divisibility and a two-digit divisor in long division. These topics are introductory only, as children will continue studying them in the fifth grade.

Answers are in the end of the book.

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*BONUS* - SOFT-PAK MATH SOFTWARE

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NOTE: if you purchase one of the package deals 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 as downloads at

• Kagi store - all of the ebooks and CDs. Kagi accepts all major credit cards, Paypal, check, cash, money order, purchase order, and a wire transfer. I maintain four different order pages at Kagi:
  • One for the Blue series,
  • another for the Golden and Green Series, and
  • third for the LightBlue 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, checks, Paypal (USD), money orders, 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 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. That's it!

  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 - all Blue, Golden, and Lightblue series books (downloads). Credit cards, Paypal.
• The Old Schoolhouse Store - the Blue Series ebooks. Credit cards, Paypal.
• Lulu - printed copies for the Blue, Golden, and Light Blue series books.
• Winterpromise - printed copies and CDs for the LightBlue series.

All the books are available for *nearly instant download.
*Order processing at Kagi takes 1-2 hours; I do not know how quick it is at the other stores.

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Printed copies

You can buy printed copies of the Blue, Golden, and Light Blue series books at Lulu.com. You can find a links to the printed copy also on each individual book's page (right sidebar).

Winterpromise sells printed copies for the Light Blue series books along with CDs.

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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.