1. Excerpts from "Circle Plus Question 05 HTML5 Applet Javascript - Open Educational Resources / Open Source Physics @ Singapore" (webpage content)

1. Overview

"Circle Plus Question 05" is an HTML5-based JavaScript applet designed as an interactive learning resource, likely for mathematics education, specifically focusing on the area and perimeter of circles. Developed by a team including weelookang@gmail.com, Francisco Esquembre, Felix J. Garcia Clemente, and Siti, based on ideas by ShiXiong, this resource is part of the Open Educational Resources / Open Source Physics @ Singapore initiative. The applet is released under a Creative Commons Attribution-Share Alike 4.0 Singapore License, promoting its open use and adaptation.

2. Main Themes and Important Ideas/Facts

• Interactive Mathematical Learning: The primary theme is providing an engaging and interactive way for users to learn about circles, specifically their area and perimeter. The webpage is categorized under "Mathematics," "Area and Perimeter," and mentions "Circles" in its navigation.
• Target Audience: While not explicitly stated, the inclusion of "Siti and Coco" as categories suggests a potentially younger audience, possibly primary or early secondary school level. The mention of "Siti:)" further reinforces this.
• "4 Radii Strategy": The "For Teachers" section highlights a specific pedagogical approach: "Following the strategy given, the User should calculate the semicircle first. An animation will be played to show how does the 4 radii strategy works." This implies a visual and step-by-step method for solving problems related to circles, possibly involving the division of a circle or related shapes based on their radii.
• Ease of Use and Implementation: The resource emphasizes accessibility through its HTML5 format, allowing it to run in web browsers without the need for additional plugins. The availability of an embed code () makes it easy for educators to integrate the applet into their own websites or learning management systems.
• Open Educational Resource (OER): Being hosted on the Open Educational Resources / Open Source Physics @ Singapore platform and licensed under Creative Commons explicitly positions "Circle Plus Question 05" as an OER. This allows for free use, adaptation, and sharing for educational purposes, with attribution. The webpage also mentions the licensing details for the underlying EasyJavaScriptSimulations Library for commercial use.
• Focus on Conceptual Understanding: The animation illustrating the "4 radii strategy" suggests an emphasis on visual and conceptual understanding rather than just formula memorization. The initial setup instructions for teachers encourage a strategic approach to problem-solving.
• Part of a Larger Ecosystem: "Circle Plus Question 05" is presented within a broader context of numerous other interactive simulations and resources available on the platform, covering various subjects like physics, mathematics, and even other topics like Malay language learning and COVID-19 spread modeling. This indicates a rich collection of OERs developed and shared by the team.
• Credits and Authorship: The explicit crediting of the developers (weelookang@gmail.com, Francisco Esquembre, Felix J. Garcia Clemente, Siti, based on ideas by ShiXiong) underscores the collaborative and attributed nature of open source projects.
• Sample Learning Goals (text): While the specific learning goals are not provided in the excerpt ("[texthttps://weelookang.blogspot.com/2020/08/circle-plus-question-05-html5-applet.html) suggests that the resource may have undergone updates or revisions, and provides a place to find more information or the latest version.
• Links to Other Resources: The presence of an "Other Resources" section (content not provided in the excerpt) indicates that there might be supplementary materials available to support the use of the applet.
• Technical Foundation: The name "HTML5 Applet Javascript" explicitly states the technology used to create the interactive simulation, suggesting it is compatible with modern web browsers.
• Connection to Open Source Physics (OSP): The platform name, "Open Educational Resources / Open Source Physics @ Singapore," clearly aligns the resource with the broader Open Source Physics project, known for its freely available computational tools and resources for physics and mathematics education. The mention of Wolfgang Christian (of Open Source Physics) in the "Easy Java/JavaScript Simulations Toolkit" link further solidifies this connection.
• Recognition and Impact: The mention of the platform being "Recommended in Journal Paper as One of the Top Three Websites for COVID-19 virtual labs education" showcases the broader recognition and impact of the OER initiative, highlighting the quality and relevance of the resources provided.

3. Key Quotes

• From the "Circle Plus Question 05 HTML5 Applet Javascript" webpage:
• "Following the strategy given, the User should calculate the semicircle first." (Implied pedagogical approach)
• "An animation will be played to show how does the 4 radii strategy works." (Description of a key feature)
• <iframe width="100%" height="100%" src="https://iwant2study.org/lookangejss/math/ejss_model_circleplusquestion05/circleplusquestion05_Simulation.xhtml " frameborder="0"></iframe> (Embed code for easy integration)
• From the metadata of "Circle Plus Question 05":
• "Compiled with EJS 6.0 (191124)" (Technical information about the development tool)
• "Released under a license." (Acknowledging the licensing, specified as Creative Commons on the webpage)

4. Potential Use Cases

• Mathematics lessons focusing on area and perimeter of circles.
• Interactive exercises for students to visualize and understand geometric concepts.
• Self-paced learning activities for students to explore circle properties.
• Teacher-led demonstrations of problem-solving strategies related to circles.
• Integration into online learning platforms and digital textbooks.

5. Further Information

For more detailed information, including the specific learning goals, research basis (if any), video demonstrations (if available), and the actual interactive applet, users can refer to the provided version link: https://weelookang.blogspot.com/2020/08/circle-plus-question-05-html5-applet.html. Additionally, exploring the Open Educational Resources / Open Source Physics @ Singapore website would provide context and access to other related learning resources.

This briefing document provides a comprehensive overview of the "Circle Plus Question 05" resource based on the provided excerpts, highlighting its key features, educational focus, and significance within the broader context of open educational resources.

Frequently Asked Questions: Circle Plus Question 05

1. What is "Circle Plus Question 05"?

"Circle Plus Question 05" is identified as an HTML5 Applet written in Javascript. It appears to be an interactive educational resource focused on a mathematical problem involving circles. The title suggests it might be part of a series of questions or problems related to circles, possibly involving concepts like area and perimeter.

2. Who created "Circle Plus Question 05"?

The applet is credited to weelookang@gmail.com, Francisco Esquembre, Felix J. Garcia Clemente, and Siti, based on ideas by ShiXiong. The copyright is also attributed to these individuals.

3. What subject area does "Circle Plus Question 05" belong to?

Based on its inclusion under "Mathematics" and specifically "Area and Perimeter" and "Circles" within the Open Educational Resources / Open Source Physics @ Singapore platform, it is clear that "Circle Plus Question 05" is a resource designed for mathematics education.

4. What are the suggested learning goals for this applet?

The provided text includes a "[text]" placeholder under "Sample Learning Goals," indicating that specific learning goals are intended to be provided for this resource. However, the actual learning goals are not detailed in the given excerpts.

5. How is "Circle Plus Question 05" intended to be used by teachers?

The "For Teachers" section suggests an initial setup where users can navigate using "Play" or "Forward&Back" buttons. It also mentions a "strategy given" where users should first calculate the semicircle. An animation is described that demonstrates a "4 radii strategy." This implies that teachers can use this applet to guide students through a specific problem-solving approach related to circles and semicircles, likely involving visual aids.

6. Is "Circle Plus Question 05" part of a larger project or platform?

Yes, "Circle Plus Question 05" is hosted on the "Open Educational Resources / Open Source Physics @ Singapore" platform, which offers a variety of interactive resources for physics and mathematics education. It is also mentioned in conjunction with "Easy Java/JavaScript Simulations Toolkit," suggesting it was likely created using this toolkit.

7. Can "Circle Plus Question 05" be embedded in other websites?

Yes, the provided text includes an "Embed" section with an <iframe> code snippet. This allows users to easily integrate the interactive applet into other webpages.

8. Are there other similar resources available on the platform?

The extensive list following the FAQ section indicates a wide range of other HTML5 Applet Javascript resources available on the platform. These cover various topics in physics, mathematics, and even some language learning games, suggesting that "Circle Plus Question 05" is part of a large collection of interactive educational tools.