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Math Mammoth Add & Subtract 4

87 pages
(of which 65 are lesson pages)
Price: $5.00 download

Buy printed hardcopy
at Lulu - $9.00, b&w

Sample pages (PDF)
Contents and Introduction
Addition Review
Adding Terminology and Practice
More Subtraction Review
Subtract in Columns
Word Problems and Bar Diagrams
Line Graphs

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Math Mammoth Add & Subtract 4 covers the following addition and subtraction related topics which are approximately for the third and fourth grade level:

• mental addition and subtraction strategies;
• adding and subtracting in columns;
• Roman numerals;
• the connection between addition and subtraction, missing addend problems, and solving word problems with bar diagrams;
• order of operations;
• bar graphs, line graphs, and money problems.

The lessons in this book are taken from the first chapters of Math Mammoth Grade 3 and Grade 4 Complete Worktexts (LightBlue Series 3rd and 4th grade). Some of the lessons are useful even for 5th grade students, especially if they have not had much exposure to word problems, order of operations, and applications of addition and subtraction.

The first lessons cover the "technical aspects" of adding, such as mental math strategies, terminology, and adding in columns. These are repeated for subtraction. Children also get to see how the sum or difference changes if the numbers in the problems change and how that can be used to solve problems mentally.

The addition and subtraction connection is already a familiar topic, but the first lesson on this topic practices this with bigger numbers. In the next lessons, the student solves word problems with the help of bar diagrams. Next, we solve simple missing addend equations using subtraction, such as x + 20 = 60. We use bar diagrams to illustrate these and connect them with fact families. These lessons help students think algebraically.

We also practice subtracting in columns and borrowing. The lessons illustrate this process with the help of pictures that relate to the three different place values.

Students are also introduced to parentheses and the order of operations including building the mathematical expression (calculation) needed for certain real-life situations. Students also get to practice their adding and subtracting skills when reading a mileage chart, bar graphs, line graphs, rounding, estimating, and money problems.

Better Yet - Package Deals!
Blue Series package - $70 (download) or $75 (CD)
Blue Series for grades 1-3 - $40 (download)
Golden/Green Series package - $65 (download) or $70 (CD)
Light Blue Series package - $89 (download) or $94 (CD)
Blue/Golden/Green Series package - $110 (download) or $115 (CD)
All Inclusive package - $145 (download) or $150 (CD)

Learn more about the package deals!

*BONUS*: Buy any package 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 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.