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CrossNumber Puzzle 2.1

eBook (PDF), 100 Pages
Price: $2.50
Educational number puzzles for children. Level 2 covers addition and subtraction of nonnegative integers. Missing values appear on both sides of the equality to convey addition and subtraction as an abstract concept. For example, missing left hand term in addition is determined by subtracting from right hand result. That generalization prepares the child for the more advanced idea of an equation. The author, Jonas S Almeida is a Professor of Bioinformatics at the University of Texas and father of a 6 and 4 year old. These number puzzles were developed to help his children grasp basic concepts in Mathematics. This series is dedicated to his wife, Angela, who inspired the collection in a book format.
Available in PDF Format

Product Details

Publisher
Jonas Almeida
Published
October 1, 2011
Language
English
Pages
100
File Format
PDF
File Size
273.9 KB

Formats for this Ebook

PDF
Required Software Any PDF Reader, Apple Preview
Supported Devices Windows PC/PocketPC, Mac OS, Linux OS, Apple iPhone/iPod Touch... (See More)
# of Devices Unlimited
Flowing Text / Pages Pages
Printable? Yes
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