Our Books
Multiplying and Dividing
* The Best Stuff for Multiplying & Dividing
* Sharing Big Numbers
* Teams
* Discover the Basics  Multiplying & Dividing
Adding and Subtracting
* Addition, Subtraction, & Place Value
* The Best Stuff for Adding & Subtracting
* Discover the Basics  Adding & Subtracting
Fractions and Decimals
* Fractions & Decimals
Percents, Ratios, and Rates
* Percents, Ratios, & Rates
Access to Algebra
* Discover the Basics  Equations!
* Discover the Basics  Negative Numbers
* Discover the Basics  Squares, Roots, & Exponents
*Access to Algebra
Organizing and Graphing Data
* Organizing & Graphing Data
Measurement and Geometry
* Measurement & Geometry
* Discover the Basics  Perimeter, Area, & Volume
Math Intervention Strategies


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545: Discover the Basics  Perimeter, Area, & Volume
138 pages  $45.95 Teacher Edition, $29.95 Home Edition
For some students, perimeter, area, and volume signal vague, halfremembered rules and formulas. Also, these learners tend not to be aware of the relative size of inches and feet, meters and centimeters. If that isn't enough, it comes as a big surprise to them that there is more than one kind of footâ€”linear, square and cubic!
This book changes all that. It provides stimulating tactile/visual experiences that take measurement out of mere theory and into understandingâ€”so that every student "gets the picture."


Home 
Ideal for homeschool instruction, parents wanting to support their child's school work and, 

Teacher 
teachers wanting to introduce or consolidate concepts. The teacher edition includes photocopying rights. 
Email My Order 
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Click here to order individual chapters or the whole book, emailed to you within 24 hrs. 
In this book, the concept of "pi" is presented with visual and conceptual clarity. Students move from the area of a square through the area of hexagons and octagons observing the ratio of a side then the width to the perimeter. The book leads thought incrementally from perimeter to circumference and compares the area of polygons with the area of a circle. They are also given a visual representation of multiplying "pi."
Students are not asked to remember and apply what they do not understand. This same care is given to squares and roots used in calculating the mysterious hypotenuse and to brushing up on other underlying concepts and skills that enable success with measurement.
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Here are some sample pages from the book.

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Watch our podcast on "The Progress Chart" to see how to use the progress chart, used on several pages in this volume, to improve performance, not merely measure it.

