Bring the super-fun game Duple to your classroom with core curriculum based lesson plans. Download our FREE lesson plan and get your students really engaged with learning! For all you persnickety word nerds, Duple combines the brain-bending challenge of a word game with laughter and conversation. Students will be having so much fun that they won’t even know they are learning. Written by an educator to specifically align with Common Core Standards. Lessons include writing paragraphs and research and writing tandem stories for grades 4+.