This COMPLETE unit is UPDATED and has EVERYTHING YOU NEED to guide you through the Grade 8 NUMBER SENSE & NUMERACY strand of the Ontario Math curriculum! Detailed 3- part lessons, projectable slides for students to follow along, take notes, and create anchor charts, worksheets, centres, games, assessments, report card comments, and more. Lesson topics:Represent and compare large and small numbers using scientific notation Describe, compare, and order rational and irrational numbers Estimate