DIY Geoboard

Aunt Anna, this post is especially for you, but also for all of Mommy's friends who have taken Math for Elementary Teachers. (And Mommy says you'll know what that means.) Mommy has a lot of friends who are, or who have been, teachers.  I found a stretchy headband and decided to make some shapes. Mommy had to take pictures. Here's what I made along with what I called each shape:

"A triangle!"

"A line!"

"A diamond!"

"A loooong triangle!"

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