Blue Seagull Skill Builders: Grade 1 Math

A complete leveled textbook and workbook for Grade 1 math, with 53 lessons in 8 units: Adding and Subtracting Within 10; Adding and Subtracting Within 20; Story Problems; Numbers to 120; Place Value; Adding and Subtracting Tens; Measurement, Time, and Money; Data and Shapes. Every lesson teaches the skill with a worked example, then gives practice at three levels: Take Off (with hints), Glide (on your own) and Soar (challenge). Each lesson is labeled with the standard it practices (Common Core State Standards for Mathematics). The complete answer key is included at the back of the book. Full-color coil-bound book that lies flat for writing, 8.5 x 11 in, 212 pages.