1) Checking students’ basic knowledge about percentage – DOCX |
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2) Percentage Change of the length of bars – Geogebra (Vertical Bars), (Horizontal Bars) |
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3) Percentage Change – video, PDF and Mac’s keynote |
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4) Worksheets (for percentage change, successive percentage change and compound interest) |
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5) Make your own problems |
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Activity ideas
From fraction to percentage |
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Notes for teacher
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| Worksheet 1 : Task A | Let’s find the whole picture from a part of it. |
| Worksheet 2 : Task B | Talk about Fractions of the shaded portions |
| Worksheet 3: Task C | Show the same fraction in different denominators |
| Worksheet 4: Task D | From Fraction to Percentage |
| Worksheet 5: Task E | Change fraction into percentage (In this Task, students might try various methods e.g. counting the 10× 10 grid, doing arithmetic, using a calculator, etc.) |
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Worksheets designed by teachers
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From Fraction to Percentage |
Worksheet ideas
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1) The districts where the students live |
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2) Different Representations (Portion / Fraction / Percentage) |
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3) HK population (ethnic minorities) |
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4) Notes for activities |
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Showcase Ideas
1) Calculator Competition |
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2) Daily life_No.of students & HK population |
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3) Different Representations |
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