A top-selling teacher resource line, The 100+ Series(TM) features over 100 reproducible activities in each book! --Help students achieve their personal best with Timed Math Tests--Addition and Subtraction. Each NCTM standards-based test includes approximately twenty math problems organized by operation, and progressing in difficulty. The book also includes review tests and every test is ready to reproduce and hand out. Each book features 128 perforated, reproducible pages and student record charts and testing tips are also included.