Constructive Triangle - Large Hexagonal Box. Montessori Sensorial Lesson

Constructive Triangles - Large Hexagonal Box Material: A large hexagonal box 2 red obtuse-angled isosceles triangles with a black line on the side opposite the obtuse angle 2 gray obtuse-angled isosceles triangles with a black line on one of the sides enclosing the obtuse angle 6 yellow obtuse-angled isosceles triangles: 3 with a black line on the opposite side of the obtuse angle and 3 with black lines on both equal sides 1 yellow equilateral triangle which sides equal the longest side of the other triangles, these have a black line on all 3 sides A rug or large table Presentation: Invite a child Introduce the activity Have the child set up the floor mat Have the child carry the box to the floor mat and sit-down Open the box and Take all the triangles and place them around the box Close the box and place it on the right corner Isolate the red triangle, Look for the matching one, take the other red triangle. Join them together on the black lines