“Triangle, triangle, square, rectangle,” A easily replied. “Can you tell me the name of these shapes?” I asked as I pointed to each one. Then, I called a very eager A over the play. I labeled each one with its name then left a spaces for A to write out how many sides and vertices each one had. That’s why I decided to start with the simplest 2D shapes she could build: the triangle, square and rectangle. Since my daughter’s knowledge of geometry at this point consists of basic shape names, I wanted to help her look more closely at shapes to notice how they are built how many sides and vertices they have, whether they have parallel lines or perpendicular ones, and how long their sides are. I quickly drew four 2D shapeson a sheet of card stock and labeled each one (equilateral triangle, isosceles triangle, square and rectangle).
Pretzel sticks (toothpicks are easier to build with so grab them if you have some on hand).To prep, I gathered together a few simple supplies: Looking for more fun with shapes!? Head on over to our shop and grab our Pattern Block Mats your kids will love! It’s a win-win!įor a printable version of this activity, hop over and grab our popular toothpick challenge cards!
Kids love having the chance to build 2D shapes with food and grown ups love watching children practice important math skills. Marshmallow geometry is a fun way to teach the names and characteristics of 2D shapes including triangles, rectangles and squares.
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