Friday, April 22, 2011

Math Lesson on Quadrilaterals

We started doing Right Start Math recently.

So, I'm on lesson 12, Level A with my younger kiddo and she just wasn't buying the "a square is a rectangle AND is a quadrilateral". She just refused to get on board with this! "A square is NOT a rectangle!" And she'd totally forgotten any previous discussions we'd had about quadrilaterals and wasn't interested in picking up where we left off!

As I was falling asleep last night I had an idea of a fun way to revisit this topic since continuing to argue with her with her didn't really seem like a good plan! :-)

So, today at math time, I pulled out some sheets of construction paper and started cutting out shapes. I said very matter of factly as if we'd never talked about this before:
A quadrilateral is a shape with four sides.
Then I held up a shape and counted the sides. . . "is this a quadrilateral?" and she said "yes" (this was progress already!) and I said "OK let's put that in the quadrilateral pile."

I kept cutting shapes and she put them in the quadrilateral pile.

Then I cut a triangle and we started a "NOT a quadrilateral" pile.

Here are our two piles towards the end of the game:

She got a BIG kick out of this game. Especially when I cut some really TEENSY quadrilaterals. This made her laugh.

And then she wanted the scissors and started cutting shapes for me to guess and sort.


I saved the shapes we cut, so that tomorrow I'm hoping to sort them into rectangles and "other quadrilaterals" and then maybe the next day "squares" "other rectangles" and "other quadrilaterals"

Today our work spontaneously led into making a picture with cut shapes, where I continued to talk about which parts of the picture were quadrilaterals! (couldn't help myself.)


It was all fun, my daughter really loved this and it was a special time together.