Hands-On Mathematics Module for Manitoba Mental Math for Grades 1-4 By Jennifer Lawson Categories: Education, Elementary Series: Hands-On Mathematics for Manitoba Imprint: Portage & Main Press Show edition details Softcover, coil bound : 9781553791423, 128 pages, September 2007 Softcover, coil bound $70.00 Share: Description Mental math is a core focus mathematics instruction. The module, Mental Math for Grades 1–4, provides daily opportunities for your students to develop essential skills in mathematics. The activities key in on three types of mental math: subitizing, mental calculations, and counting. Also included: grade-specific mental math activities and free access to digital reproducibles.