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Mathematics Workshop Visual Maths Ms Kathleen Lee & Mr. Tay Lee Yong 24 April 2004.
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Transcript of Mathematics Workshop Visual Maths Ms Kathleen Lee & Mr. Tay Lee Yong 24 April 2004.
Mathematics WorkshopMathematics Workshop
Visual Maths
Ms Kathleen Lee & Mr. Tay Lee Yong
24 April 2004
Objectives
Teachers are able to use ICT (Information & Communication Technology) tools to enhance the teaching and learning of Mathematics;
Teachers are able to transfer the learning to their classroom teaching; &
Teachers are able to replace bulky teaching aids / materials with ICT tools for the teaching and consolidation of concepts.
Programme
9.00 a.m. Introduction & Overview
9.15 a.m. ICT tools – visualization of Math
Concepts
10.30 a.m. Break
10.50 a.m. Applications
11.30 a.m. Sharing
11.50 a.m. Question & Answer
Rationale
30% integration of ICT into the curriculum, as according to the IT MasterPlan
Innovation and creativity
Better impact & capture attention
More effective consolidation of concepts
Mensuration - Area & Perimeter
A picture was pasted on a piece of rectangular cardboard measuring 14 cm by 8 cm, leaving a border of 1-cm all around it. What is the area of the border ?
Mensuration - Area & Perimeter
14 cm
8 c
m
1 cm
1 c
m
Find the area of the border . Where is the border ?
Mensuration - Area & Perimeter
Can shapes of the same area have different perimeter ?
The following are figures made up of 1-cm squares.
Area = 8 sq cm.
Perimeter = 10 cm
Area = 8 sq cm
Perimeter = 18 cm
Mensuration - Area & Perimeter
Area = 7 cm 2
Perimeter = 14 cm
10 cm
8 cm
Mensuration - Area & Perimeter
Mensuration - Area & Perimeter
What is the area of the shaded figure in the 1-cm sq grid ?
Mensuration - Area & Perimeter
What is the area of the triangle in the 1-cm grid ?
Mensuration - Area & Perimeter
Mensuration - Area & Perimeter
Circle
Find the area of the unshaded part.
Circle
Find the area of the shaded part.
Circle
Find the area of the shaded part.
Circle
200ml
1 litre
Geometry – Tessellation
Geometry – Tessellation
Can this shape tessellate ?
Geometry – Tessellation
Geometry – 2D / 3D
Angles – rotation
8-point compass
North
South
East West
Fractions – equivalent fractions
Fractions, Ratio , Percentage
What fraction of the animals are frogs ?
What percentage of the animals are frogs ?
What is the ratio of the no. of frogs to the no. of birds ?
Fractions, Ratio , Percentage
Ask related questions for the pictures above .
Fractions, Ratio , Percentage
John spent $200 on food and 20% of the remainder on books.
He saved half of the remaining money and donated the rest to charity. What was the amount of money he had if he donated $400 to charity ?
$200
books 400
ICT tools for teaching & learning
Microsoft Drawing Toolbar Draw - Group/Ungroup; Order; Snap; Rotate or
Flip AutoShapes - Lines & Basic Shapes Other Tools – Rectangle, Oval, 3D & etc.
Ctrl, Alt, & Shift Keys Special emphasis on the Ctrl Key for duplicating
objects
Mouse skills
Questions and Answers
Thank you for your time .
Have a good weekend.