Tracey Steffora Books

Math at the Vet
Math at the Vet

By Tracey Steffora

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Math on the Farm
Math on the Farm

By Tracey Steffora

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Days of the Week
Days of the Week

By Tracey Steffora

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Seasons of the Year
Seasons of the Year

By Tracey Steffora

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Times of the Day
Times of the Day

By Tracey Steffora

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Clocks and Calendars
Clocks and Calendars

By Tracey Steffora

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Months of the Year
Months of the Year

By Tracey Steffora

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Math at the airport
Math at the airport

By Tracey Steffora

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Related Articles from our Blog

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.

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