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# Math Mammoth Multiplication & Division 3

65 pages

## Prices & ordering

Printed copy \$7.95

Este libro en español

Math Mammoth Multiplication & Division 3 focuses on multi-digit multiplication and long division on the 5th and 6th grade levels. This means it is not meant for initial teaching of those algorithms, but for practicing them with more digits than in 4th grade where students initially learned them. The book also contains lessons that aim to develop the student's algebraic thinking and get the student used to simple equations. It is most suitable for fifth and sixth grades.

The book starts out with a little bit of mental math and a lesson on the order of operations. The lesson titled Review: Multiplication and Division emphasizes the connection between multiplication and division, and how we can use that connection to solve simple equations.

Then, students study partial products, in the lesson Multiplying in Parts. This process is very handy for mental math, but also ties in with an area model and the distributive property. It is also the basis for the standard multiplication algorithm, though you cannot necessarily see that directly when using the standard algorithm.

Next, students review the standard multiplication algorithm (multi-digit multiplication) and practice using it with 5 and 6-digit numbers. They also review 2 by 2-digit multiplication and extend that skill to 4 by 2-digit and 3 by 3-digit multiplication problems. All along the lessons also include estimation problems and word problems.

Then it is time for long division, especially practicing long division with two-digit divisors. We also study why long division works, in the lesson Long Division and Repeated Subtraction. Throughout the division lessons there are also word problems to solve.

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.

• In this link, you can find videos that match the lessons in this book.
• Also, you can make additional worksheets for long multiplication and long division on this web page. Scroll down to the multiplication and division sections.

You might also be interested in:
• Math Mammoth Division 2—a worktext about long division, word problems, average, and divisibility (grades 4-5).
• Math Mammoth Multiplication 2—a worktext about multi-digit multiplication, order of operations, estimation, and word problems (grade 4).
• Make It Real Learning: Arithmetic I—an activity workbook with real-world data, focusing on situations that use addition, subtraction, estimation, division, bar graphs, and place value with large numbers (grades 3-6).

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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).
• At Teachers Pay Teachers you can purchase 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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