Dr Leong mentioned about how to use calculator in Developing Mental Computation in Maths
For My task: Explain how to use Multiplication in Doubling Number
Doubling number is using calculator in constants multiplication. Example 2 x 3 = = = until display passed 500.
Answers:
Use Writing on Whiteboard:
2 x 3 = 6
6x 3 = 18
18 x 3 = 54
54 x 3 = 162
162 x 3 = 486
**Multiplication of 3 is Doubling Number
Using Calculator:
Step 1: Press 2
Step 2: Pres 3
Step 3: Press"="
Answer will 6
**Press "=" continue the doubling number of 3
Useful Website:
Example of Repeated additional of Multiplication as shown below:
Repeated Addition as Multiplication
Tuesday, 28 September 2010
Monday, 27 September 2010
HOMEWORK - MEASUREMENT (MATCH CLOCK)
at 21:41
The document as shown below is the homework given by Dr Leong duirng on 24th August 2010. The Topic of Homework is Measurement - Match Clock.
Click "FullScreen" button on the box to View and Just Click "Download" button for download the document.
Measurement - Match Clock Using NLVM
Click "FullScreen" button on the box to View and Just Click "Download" button for download the document.
Measurement - Match Clock Using NLVM
Tuesday, 14 September 2010
Week 7 - Geogebra
at 10:11
I choose one example software of Dynamic Geometry. There is Geogebra software.
Click Full Screen to View:
Week 7- Geogebra
Video of Geogebra from Youtube.com
Useful Website:
1. http://www.geogebra.org/cms/
Click Full Screen to View:
Week 7- Geogebra
Video of Geogebra from Youtube.com
Useful Website:
1. http://www.geogebra.org/cms/
2. http://www.youtube.com/watch?v=SVSNHhCeukw
Week 7 - dynamic Geometry
at 10:05
Stories à Week 8
1. Dynamic geometry
2. Calculator activities
Dr leong ask click Maths in http://www.e-journalofeducation.com and then click
Dynamic Geometry : http://mathforum.org/dynamic/classroom.html
Dynamic mean it can explore, change the angle sides.
Task For this week for Blogspot
Choose one examples of Dynamic geometry Software.
1. Geometer sketchpad
Examples: Features of Geometer sketchpad
Any information about it and upload in the blogspot.
OR
2. Cabri Geometery
OR
3. Geogebra
Useful Link for Geogebra:
2. http://www.youtube.com/watch?v=SVSNHhCeukw
Tuesday, 7 September 2010
week 6 - Logo program
at 23:34
Link: http://www.mathsnet.net/logo/turtlelogo/index.html
Drawing a shape using Logo program applets by putting some commands into the terminal.
eg:
ACTIVITY by Group
Logo the Turtle
You can download from my Google Doc: Logo The Turtle
Drawing a shape using Logo program applets by putting some commands into the terminal.
eg:
- Square: REPEAT 4 [FD 100 RT 90]
- Circle: REPEAT 90 [FD 10 RT 4]
- Octagon: REPEAT 8 [FD 50 RT 45]
- Star: REPEAT 5 [FD 100 RT 144]
ACTIVITY by Group
Logo the Turtle
You can download from my Google Doc: Logo The Turtle
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