Alan Hoffer Books

Matematicas En Accion

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In Spanish, with portions addressed to teachers in teacher's ed. v. in English.Translation of: Mathematics in action.Teacher's ed. v. are spiral-bound.Includes student texts and teacher's ed. v. fo...

Teacher'S Edition, Mathematics In Action, Grade 2

By Alan Hoffer, Martin Johnson, Steven Leinwand, Alan R Hoffer, Gary Musser, Tina Thoburn, Richard Lodholz

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x, 422 pages : 31 cm + Teacher's edition Includes bibliographical references and index For grade 2

I Can K Math Activity Progam Teachers Guide

By Alan Hoffer, Alan R. Hoffer

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Geometry

By Alan Hoffer, Alan R Hoffer

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Mathematics In Action, Grade 7, Teacher'S Edition, Complete Edition

By Et Al, Alan Hoffer, Alan R Hoffer

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.