Download or read book Timed Tests Addition/Subtraction Power Practice Series written by Carla Hamaguchi and published by . This book was released on 2004-09-01 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over 100 Reproducible Activities to Sharpen Basic Skills Timed Tests: Addition and Subtraction features numerous timed tests to provide students with the opportunity to practice and memorize their math facts. The timed tests are a fun way to challenge students to reach their personal best. Students can repeat tests until they have reached the desired speed and accuracy.