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Math Mammoth Subtraction 1
Elementary Math Workbook

Math Mammoth Subtraction 1 workbook deals with subtraction concept within 0-10, initially as 'taking away', but soon presenting other situations where subtraction is used:
* Finding how much MORE something is as compared to something else - the difference.
* Two (or more) parts making up a whole (of something). This is approached as a missing addend problem.

All these situations are taught explicitly and can be found in the word problems throughout the book.

Another focal point in the book is to learn to use the addition facts to find the answer to subtraction - in essence to memorize the basic subtraction facts, which are based on the addition facts.

The lessons named, Addition and Subtraction Facts with ... aim at helping your child to memorize the basic facts with the help of fact families, which makes the facts organized logically.

For example, the lesson Addition and Subtraction Facts with 7 deals with the following facts:

0 + 7 = 7
7 + 0 = 7
7 − 0 = 7
7 − 7 = 0
1 + 6 = 7
6 + 1 = 7
7 − 1 = 6
7 − 6 = 1
2 + 5 = 7
5 + 2 = 7
7 − 2 = 5
7 − 5 = 2
3 + 4 = 7
4 + 3 = 7
7 − 3 = 4
7 − 4 = 3

While this book is not tied to any grade level, it is most suitable for first grade.

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:

    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.


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.


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 Teaching Emails


This is a little "virtual" email course. You will receive:

A package of 280 free worksheets and sample pages; 7 math teaching articles on various topics ranging from coherent curriculum to fractions; 2 emails discussing the books; Homeschool Math newsletter (see archives).

Note: You will FIRST get an email that asks you to confirm your email address. PLEASE check also your SPAM/JUNK folder for this confirmation email.

Math Mammoth Tour


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

A package of 280 free worksheets and sample pages; 7 individual emails on 7 subsequent days that answer the most commonly asked questions, including "What is the difference between all these different-colored series?" Homeschool Math Newsletter (see archives).

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. PLEASE check also your SPAM/JUNK folder for this confirmation email.

CurrClick - Curriculum in a click!