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One Cut STEM Shape Fun

One Cut STEM Shape Fun

Posted on February 26, 2016May 12, 2024 by Pragmatic Mom

My son and I watched mathematician Dr. Katie Steckles cut a square with just one cut. This is an idea that dates back to 1721 in Japan: The Fold and Cut Theorem. My son was fascinated by the one cut idea so we decided to try it out ourselves.

We started with the 1 cut square.

Cut Paper STEM Fun

Fold paper in half.

Cut Paper STEM Fun

Crease the paper you just folded in half.

Cut Paper STEM Fun

Fold into a triangle shape.

single cut to cut a square

Cut a straight cut from the corner.

1 cut square

Ta da! One cut square!

After watching her video, we decided to figure out the Betsy Ross star. It took my son three attempts to get it down so here it is in hyperlapse vide0.

I saw this Star Wars cut art on Childhoodist Instagram. My son loved it so this is our final cut paper STEM art project. These Star Wars cut paper snowflake designs are from Anthony Herrera Designs.

Star Wars Snowflake cutouts

They are not so easy to do and require a cutting board and an Xacto knife. He gave up on it saying that it was too hard but it might be fun for someone older.

Childhoodist star wars cut paper snowflake art

One Cut STEM Shape Fun

 

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We Sing From the Heart picture book cover reveal of The Slants Simon Tam

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Cover Reveal: Boxer Baby Battles Bedtime!Amazon / Signed or Inscribed by Me

Food for the Future: Sustainable Farms Around the World by Mia Wenjen, illustrated by Robert Sae-Heng

Food for the Future: Sustainable Farms Around the World

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cover for Sumo JoeChanging the Game: Asian Pacific American Female Athletes by Mia WenjenAmazon / Scholastic / Signed or Inscribed by Me

The Elusive Full Ride Scholarship: An Insider’s Guide

How To Coach Girls by Mia Wenjen and Alison FoleyAsian Pacific American Heroes

12 thoughts on “One Cut STEM Shape Fun”

  1. maria gianferrari says:
    February 26, 2016 at 12:21 pm

    Wow–that is very cool, Mia! Will have to try it out!

    Reply
    1. Pragmatic Mom says:
      March 15, 2016 at 2:13 pm

      Hi Maria,
      My son likes these kind of STEM puzzles and he really enjoyed it. I can’t believe there is theorum behind it though that makes sense.

      Reply
  2. Patricia Tilton says:
    February 26, 2016 at 12:37 pm

    Those are some intricate snowflakes. What an art! I used to love making them as a child.

    Reply
    1. Pragmatic Mom says:
      March 15, 2016 at 2:14 pm

      Hi Pat,
      My son gave up on the Star Wars snowflakes. They are pretty hard to cut out even if you use an Xacto knife and cutting pad. They look so amazing though!

      Reply
  3. maryanne @ mama smiles says:
    February 27, 2016 at 2:24 am

    What a great STEM activity!

    Reply
    1. Pragmatic Mom says:
      March 15, 2016 at 2:14 pm

      Hi MaryAnne,
      It was really fun to cut the perfect star shape with just one cut!

      Reply
  4. Jane says:
    February 28, 2016 at 3:47 pm

    Great bonding moment with your kids.

    Reply
    1. Pragmatic Mom says:
      March 15, 2016 at 2:16 pm

      Thanks so much Jane! It was a fun project and, more importantly, quick, easy and uses stuff you already have around the house!!! (which is what I need!)

      Reply
  5. Sarah says:
    February 29, 2016 at 8:28 am

    This is amazing! Like magic. And I love, love that all you need is a piece of paper and some scissors.

    Reply
    1. Pragmatic Mom says:
      March 15, 2016 at 2:17 pm

      Hi Sarah,
      I like those kind of projects best; I need the stuff required to be lying around the house or it is a determent for me.

      Reply
  6. James says:
    March 21, 2016 at 2:24 am

    Just tried out the origami paper folding star and loved it! Generally we like trying out crafts with simple requirements and get our ideas from Activity Village or Jumpstart Crafts. Through this post, we also found the fold and cut you tube video, which is fantastic!
    Thanks for the wonderful posts!

    Reply
    1. Pragmatic Mom says:
      April 4, 2016 at 8:40 pm

      Hi James,
      It’s like magic, isn’t it? We were delighted with it as well! My son likes these kind of mathy-art projects.

      Reply

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