This standards-based workbook builds a strong foundation through activities that include using visual models to represent problems, unknown number equations, place value strategies, and fluency drills. This resource provides focused instruction and a systematic approach to skill development. An answer key is included to help parents and teachers accurately gauge skill mastery.

The best-selling Spectrum® series is a favorite of parents and teachers because it’s carefully designed to be both effective and engaging—the perfect building blocks for a lifetime of learning.