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Math Mammoth Place Value 5

Math Mammoth Place Value 5 math book cover
43 pages
(includes answers)

Sample pages (PDF)

Contents
Exponents and Powers
Scientific Notation
Calculator


Prices & ordering

PDF download $2.20

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You will be purchasing the downloads from my authorized reseller Comecero, LLC.

Printed copy $7.80

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small flag of SpainEste libro en español

Math Mammoth Place Value 5 is a short worktext that covers place value up to the billions—that is, numbers up to 12 digits—rounding them, and using a calculator. It is suitable for 5th and 6th grades.

The PDF version of this book is 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 Adobe Reader version 9 or greater.

This book uses the "short scale" commonly used in the USA for naming large numbers; that is, 1,000,000,000 is called one billion (and not a thousand million).

The first lesson covers place value up to millions. Then, we study place value up to billions. Next we study exponents and powers. After working with addition, rounding, and scientific notation, there are two lessons about calculator usage.

I have received numerous comments on the harm that indiscriminate calculator usage can cause. If children are allowed to use calculators freely, their minds get lazy, and they will start relying on calculators even for simple things. It is just human nature! As a result, students enter college without even knowing their multiplication tables by heart. Then they have tremendous trouble if they are required to use mental math to solve simple problems.

So we educators need to limit calculator usage until the students are older. Children can not decide this for themselves, and definitely not in fifth grade.

However, I realize that the calculator is extremely useful, and students do need to learn to use it. In this book, I try to show the students not only how to use a calculator, but also when to use it and when not to use it.

This book includes problems where calculator usage is appropriate. We also practice estimating the result before calculating it with a calculator. In the last lesson, students need to choose whether mental math or a calculator is the best tool for the calculation.

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How and where to order

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.
  • 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.
  • Rainbow Resource carries printed copies for the Light Blue series books, plus several CDs (Light Blue and Blue series).
  • Homeschool Buyers Co-op offers download versions of the Light Blue series, plus the Blue series bundle.
  • Educents carries download versions of the Light Blue and Blue series.
  • K5 Learning offers download versions of the Blue series.
  • Lulu offers printed copies for the Blue, Golden, and Light Blue series books.

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. You will need Adobe 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.
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