Math:
This past week students reviewed how to calculate Area of a Parallelogram and a Triangle.
They then measured five circular objects and divided the circumference (C) by the diameter (d) to discover Pi.
This led them to understanding the equations for circumference:
1. C = Pi x d
2. C = 2 x Pi x r
They learned about the parts of the circle, including that radius (r) is half of the diameter (d).
They also watched a Math Antics video to learn a little more about what is pi?
The Math Antics Circles, Circumference and Area video is also quite helpful.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmw2debCIoiRvl6QXQSJCLMkRR06wkDAXmnGnh2T0daYpyAvIXhYCTeiAyJCHk88hSCJtGWwENnzitBYWgy9sz8b1LtFnEWIo1mgw1kst06cjym_f1VnPSgKqk2TZ1c-ONs8HhS7hDq78O/s400/Unknown.png)
Students learned to calculate Area of a Circle
This week students will learn to estimate the Area of a Circle with a fun, visual activity.
Science:
Forces Diagram of the Tsing Ma Bridge in Hong Kong |
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Tsing Ma Bridge, Hong Kong |
There was an equation for success:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiD_Pcm4g99E2qqspYJ7ev_XuDsTgVePy-Jx35oSe9aTiCGqJGBHgYJDQQQDseM4ANWKW6e3o7wHDJPgaOj35XYXrjS5NtC5LyGJ6iv01Bc6gc0mawjw5HDEcLJNAVzl6uFcGYxh3aivMxL/s200/IMG_5058.jpg)
Height (cm) x number of beans
The goal is to get higher numbers
Students designed some excellent projects and had a lot of fun!
This week students will have one last design project:
The Golf Ball Bridge
Monday they will be given time to design, build, and test their projects.
Should be a fun way to end the Structures and Forces Unit!!
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