Lesson: Properties of Parallelograms Geometry • Concepts and Skills • Glencoe • Geometry • Glencoe • Algebra 1 • JUMPMath 5.2 • Part 2 of 2 • Assessment & Practice • US Edition • JUMPMath 6.1 • Part 1 of 2 • Assessment & Practice • US Edition • enVision • Geometry • Common Core • Math in Focus • Singapore Math • Grade 5 • Volume B • Common Core • Prentice Hall • Geometry • Common Core • Prentice Hall • Mathematics • Course 2 • Common Core • 2013 • Glencoe • Geometry • Common Core • enVisionmath 2.0 • Grade 3 • Volume 2 • Common Core