Linda Dacey Books

Navigating Through Algebra in Prekindergarten Grade 2 Principles and Standards for School Mathematics Navigations Series

By Carol Findell, Linda Dacey, Marian Small, Mary C. Cavanagh, Carole E. Greenes

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Navigating Through Geometry in Prekindergarten Grade 2 Principles and Standards for School Mathematics Navigations Series

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Navigating through number and operations in prekindergarten--grade 2

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Navigating Through Problem Solving and Reasoning in Prekindergarten Kindergarten Principles and Standards for School Mathematics Navigations

By Carole E. Greenes

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Contains instructions, blackline masters, and solutions for five investigations in the content strands identified in the series: number and operations, algebra, geometry, measurement, and data anal...

Navigating Through Problem Solving and Reasoning in Grade 1 Principles and Standards for School Mathematics Navigations Principles and Standards for School Mathematics Navigations

By National Council Of Teachers Of Mathemat

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Navigating through Problem Solving and Reasoning in Grade 2

By Marian Small

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Math For All

By Linda Dacey, Rebeka Eston Salemi, Linda Schulman Dacey

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50 Leveled Math Problems Level 4

By Linda Dacey

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Zeroing in on number and operations

By Linda Schulman Dacey

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Zeroing in on number and operations

By Linda Schulman Dacey

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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.