Tuesday 28 September 2010

WEEK 8 - Calculator (Doubling Number of Multiplication)

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
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Monday 27 September 2010

HOMEWORK - MEASUREMENT (MATCH CLOCK)

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

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Tuesday 14 September 2010

Week 7 - Geogebra

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/
2. http://www.youtube.com/watch?v=SVSNHhCeukw
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Week 7 - dynamic Geometry


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 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
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Tuesday 7 September 2010

week 6 - Logo program

Link: http://www.mathsnet.net/logo/turtlelogo/index.html
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] 
You can see good website for command using logo program. the link is http://mckoss.com/logo/turtle.htm

ACTIVITY by Group

Logo the Turtle



You can download from my  Google Doc: Logo The Turtle
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