Most files have been removed from this site. They will be incorporated in interactive eBook format created by Edwina R. Justice. The first two ebooks can be viewed in the iBooks Store at iTunes.com. They are made for the iPad with interactive widgets and can also be viewed on computer with iBooks app.
Announcements for future books will be posted here, eventually and hopefully.
Interactive eBook #3
In addition to interactive sections, several videos have been inserted. They include simple visual interpretations of prime factorization, upside down division that features rules of divisibility, and the Sieve of Eratosthenes. The numbers 1-100 are grouped and the “Sieve” procedure is demonstrated in four separate videos. For those who like a challenge, a link to a bonus spreadsheet grid has been included, for a limited time only.
Although not a prerequisite, previous books by this author provide an in-depth look at rectangle dimensions and factors, and include greater detail for development of those concepts. Inching Along (square units) and All Set (factors) build the foundation. About Prime (prime numbers), ends the trilogy, and shows a connection between rectangles and prime numbers.
The beauty of mathematics lies in an awareness of how so much of the number system is interrelated in some way, even at an elementary level. That understanding must be present before introducing abstract concepts in the system.
Interactive widgets are included as well as links to bonus Numbers documents that provide additional interactivity. These files contain ‘movable’ pennies and tiles. Numerous math tables are available for data entry.
Is 2x3 the same as 3x2? What is the difference between the two mathematical expressions? Knowing that difference is the cornerstone required for understanding the process of multiplication. The objective of this book is to develop the concept of factors, as simply as possible, and serve as the cornerstone for further instruction.
Pennies are utilized to show sets, or groups, and their related number sentences. Set has reference to a collection of things that belong together and should not be confused with a mathematical set that satisfies certain conditions.
As sets are examined, thoughts about properties of numbers begin to appear, intuitively. Both the property of one and the commutative property of multiplication become apparent, without formally introducing the terms at this introductory stage.
The topic is suitable for most elementary level students beyond grade 3. It can be used for remediation with persons of any age when need arises for strengthening perception of the concept. An understanding of English is helpful.
Inching Along describes how the development of the concept of area and perimeter, at a basic level, progresses in the primer. It proceeds from the meaning of one small square unit to the implication of how one large region with smaller sections can be measured. Through the use of diagrams and tables, appropriate vocabulary is presented, defined and illustrated. Numerous interactive widgets are included to provide instant reinforcement and repetition, at increasing levels of difficulty. A review section has been included, as well as related activities that are applications of the concept. The primer has a section, comprised of PDF tables and grids, that has been shared.
One inch at a time is sufficient to begin the journey. Many inches away from completing the destination, progress can be made. Inch by inch more depth is added and soon it’s back to square one, only this time, armed with the necessary tools to flourish.
The primer is appropriate for all ages. A basic understanding of English is helpful. However, the images are instructive.
Properties and Formulas will be featured in interactive ebook format.
Vocabulary: area, calculate, congruent, data, length, linear units, line segments, math table, outline, perimeter, rectangle, region, square centimeters, square inch, square units, width
Closer Look at Circumference and Diameter Relationship
Feature & Focus
This is a selection of math concepts with explanations, illustrations and/or diagrams, and related activities that have been "field-tested", using a novel approach, with upper and middle grade students. Some activities are interactive and require Excel for activation.
Note: Additional features are being revised.
Math words are presented to promote effective communication of mathematics. There is a selection of math words and math words used in conjunction with each other. The relatedness of words within a group should be reviewed regularly. Simple illustrations or examples and brief definitions convey the use of these words for grades three and four. Some older students struggle with advanced math concepts because of gaps in prerequisite foundation. These words can be used for remediation with older students who need review.
Math Words will eventually be available in interactive eBook format.
Here, too ... for you to view
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Most activities have been or will be incorporated in interactive ebook format.
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