Spectrum Writing Grade 1 helps young learners improve and strengthen their writing skills as they • Main idea. • Cause and effect. • Comparison. Based on proven curriculum used in classrooms nationwide, this workbook • A variety of activities to build skills and comprehension while preparing young learners for standardized tests. • Practice skills and topics that encourage creativity and build confidence by making writing fun. • Easy-to-understand directions. • Perforated pages for easy removal.