This handy resource is the perfect tool for helping first-grade students master math skills in four critical areas—addition and subtraction within 20, whole numbers and place value, linear measurements, and composing and decomposing geometric shapes! The standards-based book provides focused practice while helping students connect comprehension with knowledge and application. There are even self-assessments to help students reflect and explore for deeper understanding. Paperback book measures 8 3/8" x 10 7/8" and is 96 pages.