Enhance problem-solving skills and ensure math success with the Spectrum® Math eBook for grade 1!• This 160-page downloadable resource covers addition, subtraction, composing shapes, comparing numbers, and taking measurements.• This teacher-loved series helps kids stay ahead in math by providing systematic and thought-provoking practice designed to increase in complexity.• Keeps kids at the top of their math game using progressive practice, math in everyday settings, and tests to monitor progres