Objectives:
- To understand what fractions, decimals and percentages are
- To convert between fractions, decimals and percentages
- To apply their understanding to real-life problems
Materials:
- Whiteboard and markers
- Handout worksheets
- Calculator (optional)
Introduction (10 minutes):
- Ask the students what they know about fractions, decimals and percentages. Write their responses on the board.
- Provide a brief explanation of each and write their definitions on the board:
- Fractions: A fraction is a way of representing a part of a whole.
- Decimals: A decimal is a way of expressing a number as a fraction with a power of 10 as the denominator.
- Percentages: A percentage is a way of expressing a number as a fraction with 100 as the denominator.
- Give an example of each and ask students to convert the example to the other two forms. Write their responses on the board.
Development (20 minutes):
- Distribute the handout worksheet to the students and ask them to complete the first two sections on converting between fractions, decimals and percentages.
- Monitor their progress and offer assistance as needed.
- After the students have completed the first two sections, go through the answers as a class.
- Ask the students to complete the third section of the worksheet which involves solving real-life problems that involve fractions, decimals and percentages.
Conclusion (10 minutes):
- Review the answers to the third section of the worksheet as a class.
- Ask the students to explain in their own words the steps they took to solve each problem.
- Sum up the key points covered in the lesson and emphasize the importance of understanding fractions, decimals and percentages in real-life situations.
Assessment:
- Observation of student participation and understanding during the class discussion.
- Review of completed worksheet to assess the students' understanding of converting between fractions, decimals and percentages and applying it to real-life problems.
