IHM 5th & 6th Graders construct the Square of the Decanomial. ⬜️⬛️◻️◼️◽️▪️▫️ IHM 5th & 6th Graders construct the Square of the Decanomial. ⬜️⬛️◻️◼️◽️▪️▫️ 2018-08-28T17:01:06-04:00