Download or read book Subtraction, Grade 1 written by Spectrum and published by Carson-Dellosa Publishing. This book was released on 2016-03-07 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Subtraction skills are a necessary building block to create solid math proficiency. Spectrum Subtraction for grade 1 provides standards-based practice to help children use visual models to represent problems, understand unknown number equations, and strengthen place value strategies. This comprehensive workbook elevates math readiness and establishes a strong foundation for more complex math concepts. --Mastering math is a long processÑstart with the basics. With the help of this best-selling series, Spectrum Subtraction guides children through the beginning stages so your child will develop early math skills through practice and activities that strengthen their understanding of when, why, and how to use subtraction and other grade-specific math concepts.