Maths learning outcome – Use 2D representations of 3D objects to visualise and solve problems, for example using drawings or models.
Last week we were learning about and trying to draw 2D shape with absolute accuracy. Sounds easy enough!
This week we have been super busy looking at and constructing 3D shapes.
We began by using toothpicks and marshmallows. The students could create any 3D shape they wanted. The first step was to find out the attributes of their chosen shape… faces, edges and vertices. Now the more vertices (corners) the shape has, the more marshmallows you get! Clever!
Well, some shapes, as Harumi found out when attempting to create a dodecahedron was that these materials did not make for a stable shape. So she tried the same thing with modelling clay. A bit better, but still not absolute success. So… did she get to eat the marshmallows? Of course! Sometimes it’s all about the effort!
We also created shapes form nets. This time the shape was allocated. Some shapes were easier than others. I’m sure Athul will always remember what a icosahedron is as will Goki remember the name and attributes of octahedron.
Our next challenge was to attempt to draw 3D shape from unifix cubes and show the side, front and top view. To be successful we needed to make sure the vertical and horizontal lines were perfectly parallel and the angles were all the same. Here’s how Elsie managed the task. Catherine incorporated a ‘testing area’ at the top of her work. This was a great way to show her progress.
Last week’s homework challenge was to explore the relationship between maths and art (amongst various other topics).
So this week in maths we also did a quick collage inspired by artist Wassily Kandinsky’s concentric circles. Kenzo measured his circles to make very even and regular layering of circles, Julia, like me, preferred the more relaxed, irregular shape based on the circle.
Phebe expressed that our room is looking ‘very mathematical’ at the moment. Feel free to pop in and have your child show you what we’ve been up to.