Lori Barker Books

Active Algebra Algebra I Crash Course

By Lori Barker

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Learn at Home

By Lori Barker, Jodene Smith, Pam Dase

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Teacher Created Materials Mathematics Readers

By Lori Barker

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Teacher Created Materials - Mathematics Readers: Where Germs Lurk - Grade 6 - Guided Reading Level T

By Lori Barker

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Write, simplify, and evaluate algebraic expressions to explore how quickly germs can spread! This informative title teaches children all about germs and how they spread, encouraging healthy habits,...

Multicultural Psychology

By Lori Barker, Jeffery Mio, Melanie Domenech Rodriguez

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Leveled Texts for Mathematics

By Lori Barker

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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.