20 April 2006

 

Math Extension on Geometrical Figures

3-sided figures: Triangles

4-sided figures: Quadrilaterals

(Click the hyperlinks to find out more.)

Activity: Sort the geometrical figures using the Decision-Making Tree.






Posted by Miss Tan | 5:59 PM | Permalink  | 1 comments
 

Math Extension on Triangles

Can you fill up the chart below with different types of triangles which fit the description?



Further extension:
Can you design a similar table to classify 4-sided geometrical figures (also known as quadrilaterals)?

Links:
First glance at quadrilaterals http://www.math.com/school/subject3/lessons/S3U2L3GL.html
Quadrilaterals in depth http://www.math.com/school/subject3/lessons/S3U2L3DP.html

Posted by Miss Tan | 5:11 AM | Permalink  | 0 comments

17 April 2006

 

Math: Virtual Geoboard

1) Go to search engine www.google.com

2) Search for the keyword "virtual protractor".

3) Click on "Virtual Manipulative: Geoboard". There are a few possible links. Try them.

4) Clear the virtual geoboard to start constructing 3-sided figures.

5) Clear the virtual geoboard to start constructing 3-sided figures.

Links:
http://nlvm.usu.edu/en/nav/frames_asid_172_g_2_t_3.html
http://nlvm.usu.edu/en/nav/frames_asid_277_g_1_t_3.html?open=activities


Posted by Miss Tan | 12:30 PM | Permalink  | 0 comments

16 April 2006

 

Math: Angles & Geometrical Figures

1) Go to search engine www.google.com

2) Search for the keyword "virtual protractor".

3) Practise reading the protractor accurately by clicking on the 3rd radio button from the bottom of the list. Have fun with the Virtual Protractor!

http://www.amblesideprimary.com/ambleweb/mentalmaths/protractor.html

Posted by Miss Tan | 11:59 PM | Permalink  | 0 comments