1. Mathematics Workshop Visual Maths Ms Kathleen Lee & Mr. Tay Lee Yong 24 April 2004

2. 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.

3. Programme 9.00 a.m. Introduction & Overview 9.15 a.m.ICT tools – visualization of Math Concepts 10.30a.m.Break 10.50a.m.Applications 11.30a.m.Sharing 11.50a.m.Question & Answer

4. 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

5. 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 ?

6. Mensuration - Area & Perimeter 14 cm 8 cm 1 cm Find the area of the border. Where is the border ?

7. 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

8. Mensuration - Area & Perimeter Area = 7 cm 2 Perimeter = 14 cm 10 cm 8 cm

9. Mensuration - Area & Perimeter

10. What is the area of the shaded figure in the 1-cm sq grid ?

11. Mensuration - Area & Perimeter What is the area of the triangle in the 1-cm grid ?

12. Mensuration - Area & Perimeter

14. Circle Find the area of the unshaded part.

15. Circle Find the area of the shaded part.

16. Circle Find the area of the shaded part.

17. Circle 200ml 1 litre

18. Geometry – Tessellation

19. Can this shape tessellate ?

20. Geometry – Tessellation

21. Geometry – 2D / 3D

22. Angles – rotation

23. 8-point compass North South EastWest

24. Fractions – equivalent fractions

25. 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 ?

26. Fractions, Ratio, Percentage Ask related questions for the pictures above.

27. 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

28. 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

29. Questions and Answers Thank you for your time. Have a good weekend.