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Adrian 3 years Adrian 40 months Geometry SENSORIAL ๐Ÿ–๏ธ๐Ÿ‘€๐Ÿ‘‚๐Ÿ‘…๐Ÿ‘ƒ

Exploring a Triangle (Montessori Geometric Metal Insets Presentation 1)

Today, we are exploring a triangular shape. All triangles have three sides, meaning that the shape is a polygon. If all three sides are of equal length, than it is called an "equilateral" triangle. We explored different textures and sizes and "made" various triangles, including non-equilateral ones since the sides need not be of equal length at all time.

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A  pizza ๐Ÿ• slice, an ice cream๐Ÿฆ cone, a wedge of ๐Ÿง€ cheese, a โ›บ๏ธ tent, clown's hat, a sail boat โ›ต๏ธ.

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You may read detailed instructions on Knobless Cylinders lesson presentation here

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As one of the Steps Towards Literacy in a Montessori Language curriculum (read here), the preparation of a child's hand for writing and drawing letters and shapes is accomplished with the use of geometry insets. Initially, you would simply ask your child to trace with a second and third fingers around the outline of the shape (its frame) so that the hand does not lose contact with the frame. Applying just the right amount of pressure prepares the hand for future writing.

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This post has an intro on Montessori Geometric Metal Insets, and this post "Tracing a Circle โšซ" has a ๐Ÿ“ฝ video of Adrian tracing a circle as well as detailed steps for Montessori Geometric Metal Insets Presentation 1.
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What we have been using to make a triangle:

  • Knobless cylinders (read a post here),
  • Haida painted sticks (read how children made the sticks here),
  • Spindles (read a post "Early Math with Numbers Rods, Sandpaper Numbers and Spindles" here; and a post "Spindle Box and Sandpaper Numbers Extensions – early Montessori Math activities for a toddler" here),
  • Small number rods (read a post "Early Math with Numbers Rods, Sandpaper Numbers and Spindles" here),
  • Pipe cleaners and green beads (read a post "Candy Canes Pipe Cleaner Craft for children" here),
  • Pom poms and play dough (read here a post "Tracing Alphabet Letters with markers, dot-stickers, play-dough, marbles and water/ the importance of the proper pencil grip"),
  • We also used different nature objects such as pine cones, stones and marbles, pine branches, sea shells, and others.

We had so much fun ๐Ÿ˜Šexploring triangular shapes! 

Stay tuned for the next shape:)

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