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The Spectrum(R) Spelling Workbook for second grade features 208 pages of progressive lessons and fun, full-color puzzles and riddles that help students strengthen their spelling skills.

The Spectrum(R) Sight Words Workbook for first grade features 160 pages of exciting activities and engaging practice that ease young learners into fluent reading.

The Spectrum(R) Phonics Workbook for kindergarten features 144 pages of progressive lessons and practice to help students form words with letter sounds, pairs, and blends. This standards-based workbook is perfect for building and reinforcing reading comprehension skills.

The Spectrum(R) Spelling Workbook for kindergarten features 128 pages of progressive lessons and fun, full-color puzzles and riddles that help students stregthen their spelling skills.

The Spectrum(R) Test Practice Workbook for seventh grade features 160 pages of comprehensive practice for standardized tests. This comprehensive workbook is aligned to the current Common Core State Standards and gives students testing confidence with practice, assessments, tips and more.

Supporting your child's educational journey every step of the way, Spectrum provides specific support in the skills and standards that your child is learning in today's classroom. Comprehensive, grade-specific titles to prepare for the year ahead. Subject-specific practice to reinforce classroom learning. Skill-specific titles to enrich and enhance educational concepts. Test preparation titles to support test-taking skills. No matter your need, Spectrum is with you every step of the way.

The Spectrum(R) Writing Workbook for sixth grade features 136 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Spelling Workbook for fifth grade features 152 pages of progressive lessons and fun, full-color puzzles and riddles that help students strengthen their spelling skills.

The Spectrum(R) Spelling Workbook for sixth grade features 184 pages of progressive lessons and fun, full-color puzzles and riddles that help students strengthen their spelling skills.

The Spectrum(R) Spelling Workbook for fourth grade features 208 pages of progressive lessons and fun, full-color puzzles and riddles that help students strengthen their spelling skills.

The Spectrum(R) Spelling Workbook for third grade features 192 pages of progressive lessons and fun, full-color puzzles and riddles that help students strengthen their spelling skills.

Supporting your child's educational journey every step of the way, Spectrum provides specific support in the skills and standards that your child is learning in today's classroom. Comprehensive, grade-specific titles to prepare for the year ahead. Subject-specific practice to reinforce classroom learning. Skill-specific titles to enrich and enhance educational concepts. Test preparation titles to support test-taking skills. No matter your need, Spectrum is with you every step of the way.

The Spectrum(R) Reading Workbook for eighth grade features 160 pages of fiction and non-fiction reading passages and engaging exercises that strengthen students' ability to understand, process, and analyze text.

The Spectrum(R) Writing Workbook for second grade features 112 pages of focused practice that guides beginning writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Vocabulary Workbook for third grade features 160 pages of progressive lessons, strategies, and test-taking practice to help students expand their vocabulary and to improve their communication and reading comprehension skills.

Flatland, Edwin Abbott's story of a two-dimensional universe, as told by one of its inhabitants who is introduced to the mysteries of three-dimensional space, has enjoyed an enduring popularity from the time of its publication in 1884. This fully annotated edition enables the modern-day reader to understand and appreciate the many 'dimensions' of this classic satire. Mathematical notes and illustrations enhance the usefulness of Flatland as an elementary introduction to higher-dimensional geometry. Historical notes show connections to late-Victorian England and to classical Greece. Citations from Abbott's other writings as well as the works of Plato and Aristotle serve to interpret the text. Commentary on language and literary style includes numerous definitions of obscure words. An appendix gives a comprehensive account of the life and work of Flatland's remarkable author.

The Spectrum(R) Reading Workbook for second grade features 174 pages of illustrated fiction, informational texts, and engaging exercises that strengthen students' ability to understand, process, and analyze text.

The Spectrum(R) Writing Workbook for eighth grade features 144 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

The Spectrum(R) Sight Words Workbook for kindergarten features 160 pages of exciting activities and engaging practice that ease young learners into fluent reading.

The Spectrum(R) Vocabulary Workbook for fifth grade features 160 pages of progressive lessons, strategies, and test-taking practice to help students expand their vocabulary and to improve their communication and reading comprehension skills.

The Spectrum(R) Writing Workbook for first grade features 112 pages of focused practice that guides blossoming writers through the writing, proofreading, and editing process to create a strong foundation for communication and school success.

Supporting your child's educational journey every step of the way, Spectrum provides specific support in the skills and standards that your child is learning in today's classroom. Comprehensive, grade-specific titles to prepare for the year ahead. Subject-specific practice to reinforce classroom learning. Skill-specific titles to enrich and enhance educational concepts. Test preparation titles to support test-taking skills. No matter your need, Spectrum is with you every step of the way.

Supporting your child's educational journey every step of the way, Spectrum provides specific support in the skills and standards that your child is learning in today's classroom. Comprehensive, grade-specific titles to prepare for the year ahead. Subject-specific practice to reinforce classroom learning. Skill-specific titles to enrich and enhance educational concepts. Test preparation titles to support test-taking skills. No matter your need, Spectrum is with you every step of the way.

Supporting your child's educational journey every step of the way, Spectrum provides specific support in the skills and standards that your child is learning in today's classroom. Comprehensive, grade-specific titles to prepare for the year ahead. Subject-specific practice to reinforce classroom learning. Skill-specific titles to enrich and enhance educational concepts. Test preparation titles to support test-taking skills. No matter your need, Spectrum is with you every step of the way.

Supporting your child's educational journey every step of the way, Spectrum provides specific support in the skills and standards that your child is learning in today's classroom. Comprehensive, grade-specific titles to prepare for the year ahead. Subject-specific practice to reinforce classroom learning. Skill-specific titles to enrich and enhance educational concepts. Test preparation titles to support test-taking skills. No matter your need, Spectrum is with you every step of the way.

This volume, written by Brian Hall, presents an in-depth look at an integral part of mining strategy optimisation - cut-off specification. The publication builds a thorough understanding of cut-offs, covering simple concepts along with the more complex and comprehensive models of cut-off theory and evaluation practices. The first section of the volume addresses the principles underlying the more complex approaches to strategy optimisation; whilst the second section deals with the finer details of conducting evaluations.

Offers a comprehensive history of the development of mathematics in the US and Canada. This first volume of a two-volume work takes the reader from the European encounters with North America in the fifteenth century up to the emergence of the United States as a world leader in mathematics in the 1930s.

G. H. Hardy ranks among the great mathematicians of the twentieth century, doing essential research in number theory and analysis. This book is a feast of Hardy's writing, featuring articles ranging from the serious to the humorous. The G. H. Hardy Reader is a worthy introduction to an extraordinary individual.

G. H. Hardy ranks among the great mathematicians of the twentieth century, doing essential research in number theory and analysis. This book is a feast of Hardy's writing, featuring articles ranging from the serious to the humorous. The G. H. Hardy Reader is a worthy introduction to an extraordinary individual.