# Lesson: Related Addition Equations Elementary School Mathematics 1st Grade • Elementary School Mathematics Kindergarten • JUMPMath 3.1 • Part 1 of 2 • Assessment & Practice • US Edition • Math Connects • Concepts, Skills, and Problem Solving • Course 1 • Student Edition

MathematicsIn this lesson, we will learn how to write a family of addition facts linking three numbers up to 10 and model them with part–whole models.