Montessori constructive triangles are brilliant for their hands-on geometry lessons and adaptability for preschool through elementary. At the same time, they’re sensorial materials you can make fairly easily using printables and tutorials found online. Here I’ll include links to printables, tutorials, and ideas for presenting and extending Montessori constructive triangles.
Constructive Triangle Printables
Free Constructive Triangle Templates from Montessori Materials
Free Triangle Stars Printable from Montessori for Everyone
Constructive Triangles and Other Triangle Materials available free or inexpensively from Montessori Print Shop
DIY Constructive Triangles
DIY Constructive Triangles (Photo from Montessori MOMents)
Montessori MOMents (triangle box made with Montessori Print Shop printable and foam core board) – blog is no longer available
Shannon’s Sharings (constructive triangles made with Livable Learning printables and craft foam)
What Do We Do All Day? (blue constructive triangles made with craft foam; free scalene triangle template)
DIY Constructive Triangles (Photo from Teacher Weena)
Teacher Weena (magnetic constructive triangles)
Bringing Joy to Learning (blue triangles box made with Montessori for Everyone printable)
DIY Constructive Triangles (Photo from Making Montessori Ours)
Making Montessori Ours (constructive triangles made with Livable Learning printables and Masonite)
DIY Constructive Triangles (Photo from What DID We Do All Day?)
What DID We Do All Day? (constructive triangles made with Livable Learning printables and chipboard)
Constructive Triangle Presentations and Extensions
Constructive Triangles from To the Lesson! (video presentation)
Constructive Triangles from Montessori Primary Guide (written and video presentations)
Triangle Stars (Photo from Carrots Are Orange)
Intro to Math for Kids {Triangle Stars} from Carrots Are Orange and Introduction to Geometry for Preschoolers by Marnie at Kids Activities Blog.
Geometry posts including lots about tessellations from Teaching from a Tackle Box
Studying Islamic Art with Constructive Triangles from Umamah Learning Academy
More of my Montessori Sensorial Geometry Posts
Montessori Sensorial Activities
DIY Geometric Shapes (including links to presentation and extension ideas)
Inexpensive and DIY Geometric Solids and Extensions (including links to presentation ideas)
Also, see my Montessori Resources page and Homeschool Resources post for links to many other materials and ideas for homeschools and classrooms.
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Thanks for the feature, Deb! I love, love, love the geometry piece within Montessori. The fact that we introduce the concept at 3 years old is testament to how amazing and capable our children and their developing brains are…
You might also be interested in this post I wrote for Quirky Mommma:
http://kidsactivitiesblog.com/math-for-kids/
A Montessori inspired DIY! 🙂
My pleasure, Marnie! Montessori geometry is truly amazing, isn’t it?! Thanks so much for sharing your post at Kids Activities Blog. I just added the link to my post! 🙂
Thanks for hosting. I enjoy reading the latest post every Monday.
Thanks so much, Jen! I always enjoy reading your posts, too! 🙂
What a delightful post Deb. You really pushed me into finally posting about our self created Constructive Triangle Extension. Thank you so much for this post. I thoroughly enjoyed going through the DIY links. Some are just too cool! I am all for DIYs too but opted to buy the constructive triangles because I wanted to use them long term with all my kids and there’s just something about wooden material that just doesn’t come with anything else, wouldn’t you say… Sigh!
Thanks so much for your kind comment! I agree that the wooden materials are definitely the best. Your extension is fabulous! Thanks so much for sharing it. I added your link to my post. 🙂
I really love the idea of homemade constructive triangles. My kids often get frustrated when pieces move around as they are trying to put them together, so I think I will make these out of craft foam and then let the kids stick them to a wet window so they stay in place. I made a set of pattern blocks this way, and the kids love them.
Thanks for your comment, Lilac! What a great idea to have your kids stick craft-foam constructive triangles to a wet window! 🙂
hey! i just saw a couple of pictures on how children work with geometrical solids and match them to real solids, in the sensorial section and i loved the creative ideas. i would like to request if u can add more pictures to the website. its been really helpful thanks. 🙂 beautiful work
This is awesome!! Thank you for sharing ALL these resources! Walk beside me is not a viewable site. Boo? LOL