Included is everything you need to teach a unit on place value, rounding, adding, and subtracting. Math Unit Plan: Place Value, Rounding, Adding, and Subtracting | TPT (teacherspayteachers.com)Unit 1 Place Value, Rounding, Adding, & Subtracting Pre & Post Assessment (teacherspayteachers.com)3rd Grade Adding and Subtracting Unit Quizzes by Outstanding Ornoski (teacherspayteachers.com)3rd Grade Place Value Unit Quizzes by Outstanding Ornoski | TPT (teacherspayteachers.com)