“4N5 Common Multiples and Common Factors” Learning-Teaching-Assessment Package
Possible problems in students’ learning (for reference only)
- Students may confuse multiples with factors.
- Students may not be familiar with the concept of common multiples.
- Students may not be familiar with the concept of common factors.
- Students may confuse the least common multiple with the highest common factor.
| Name | Learning Objectives | Description | Problem addressed (see above) | Suggested duration (minutes) | Available for self-learning? |
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Teaching Guideline |
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The teaching guideline introduces the content of the package and the notes on use. |
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PowerPoint of Common Multiples (animal) |
1. Develop an understanding of common multiples. 2. List the multiples of two numbers, hence find the common multiples and the least common multiple of the two numbers. |
Teachers can use either the “PowerPoint of Common Multiples (animal)” or “PowerPoint of Common Multiples (medicine)”. The PowerPoint and the Geogebra file introduce the concept of common multiples and the least common multiple through visual effects. Worksheet helps to consolidate students’ learning. |
 
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90 |  |
PowerPoint of Common Multiples (medicine) |
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Worksheet of Common Multiples |
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Geogebra file of Common Multiples |
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PowerPoint of Common Factors |
1. Develop an understanding of common factors. 2. List the factors of two numbers, hence find the common factors and the highest common factor of the two numbers. |
The PowerPoint and the Geogebra files introduce the concept of common factors and the highest common factor through visual effects. Worksheet helps to consolidate students’ learning. |
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60 | |
Worksheet of Common Factors |
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Geogebra file of Common Factors |
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Worksheet of Common Multiples and Common Factors  |
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Worksheets help to revise the concepts of common multiples, common factors, the least common multiple, and the highest common factor. |
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30 | |
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