**THIS is a MAC Version that will ONLY work on MAC OS 10.9.5 Mavericks or earlier.**This is a Chapter Mini. It is just one chapter from the full lesson plan Number & Operations - MAC Gr. PK-2.About this Resource: For understanding Base-Ten and Place Value of Number and Operations, this chapter mini provides curriculum-based content in the form of pre-assessment, lesson plan, real-world word problems, and timed drill activities. Also included are math tools, a teacher guide, printables, memor