Singapore website and the "Symmetry Blocks Primary Math Interactives" source.

1. Core Functionality and Purpose:

• The central element is the "Symmetry Block Free Hand Only JavaScript HTML5 Applet Simulation Model." Its primary function is to allow users to interactively explore and understand the concept of line symmetry through freehand drawing on a grid. As stated in the FAQ, it "allows users to freely draw on a grid and observe the resulting symmetrical pattern."
• The main learning objective is to help users "understand and visualize the concept of line symmetry through direct manipulation. By drawing freely and seeing the symmetrical reflection, learners can develop an intuitive understanding of how shapes and patterns are reflected across a line of symmetry."

2. Technical Details and Accessibility:

• The simulation is built using JavaScript and HTML5, making it accessible via modern web browsers without requiring additional plugins. This aligns with the broader trend away from technologies like Flash, for which older, related symmetry interactives exist ("http://iwant2study.org/lookangejss/math/flash/Primary%20Level/Symmetry%20with%20block%20painting/Symmetry_Block.swf").
• It is designed to be easily embedded into web pages using an <iframe> tag: <iframe width="100%" height="100%" src="https://iwant2study.org/lookangejss/math/ejss_model_symmetryblockfreehandonly/symmetryblockfreehandonly_Simulation.xhtml " frameborder="0"></iframe>.
• An Android application version, titled "Symmetry Block," is also available on the Google Play Store, expanding its accessibility to mobile devices.

3. Target Audience and Educational Level:

• Based on the title of a related resource, "Symmetry Blocks Primary Math Interactives," and the links to "Primary Level" Flash resources, this applet is "most likely intended for primary school mathematics education." It aims to provide a "visual and interactive way for young learners to grasp the fundamental concepts of symmetry."

4. Development Credits and Tools:

• The simulation is credited to a collaborative effort involving:
• This email address is being protected from spambots. You need JavaScript enabled to view it.
• Francisco Esquembre
• Felix J. Garcia Clemente
• The "Symmetry Blocks Primary Math Interactives" source explicitly confirms these authors and provides a copyright year of 2024. It also states that the interactives were "Compiled with EJS 6.02_BETA (201222)," indicating the use of the Easy JavaScript Simulation (EJS) tool for its creation.

5. Context within Open Educational Resources / Open Source Physics @ Singapore:

• The "Symmetry Block Free Hand Only" applet is part of a much larger collection of OER in physics and mathematics hosted on the Open Educational Resources / Open Source Physics @ Singapore website. This collection includes a diverse range of interactive simulations covering topics from mechanics and waves to calculus and geometry.
• The website features numerous simulations labeled "PICUP," likely indicating involvement with the "Partnership for Integration of Computation into Undergraduate Physics" project or a similar initiative focused on integrating computational models into physics education.
• The inclusion of event announcements like "20180531-0601 International Conference on Teaching & Learning with Technology (iCTLT) 2018 booth on interactive simulations" suggests that these resources, including the symmetry block applet, are actively being shared and promoted within the educational technology community. The applet's presence at this conference highlights its relevance to "interactive simulations."
• The website also lists "Popular Tags" such as "Learning and Teaching Mathematics using Simulations," reinforcing the project's focus.

6. Related Resources and Evolution:

• The webpage provides links to related resources, including:
• A blog post announcing the symmetry block applet: http://weelookang.blogspot.sg/2017/10/symmetry-block-javascript-html5-applet.html
• Older Flash-based symmetry interactives, suggesting a migration from Flash to HTML5 to ensure wider accessibility. These include "http://iwant2study.org/lookangejss/math/flash/Primary%20Level/Symmetry%20with%20block%20painting/Symmetry_Block.swf" and "http://iwant2study.org/lookangejss/math/flash/Primary%20Level/symmetry%20by%20drawing/Symmetry_Drawing.swf." These "Other Resources" may offer "additional context or alternative approaches to learning about symmetry."

7. Licensing and Usage Terms:

• The content on the Open Educational Resources / Open Source Physics @ Singapore website is licensed under a "Creative Commons Attribution-Share Alike 4.0 Singapore License." This open license allows for the free use, adaptation, and sharing of the resources, provided that attribution is given to the creators and any derivative works are shared under the same or a compatible license. The footer explicitly states, "Contents are licensed Creative Commons Attribution-Share Alike 4.0 Singapore License."
• Commercial use of the underlying "EasyJavaScriptSimulations Library" requires a separate license and direct contact with This email address is being protected from spambots. You need JavaScript enabled to view it. , as detailed in the EJS license.

8. Pedagogical Implications:

• Interactive simulations like the "Symmetry Block Free Hand Only" model offer significant pedagogical benefits for primary mathematics education. They can make abstract concepts like symmetry more tangible and engaging for young learners through direct manipulation and visual feedback.
• The broader collection of OER provides educators with a wealth of freely available and adaptable tools to enhance teaching and learning in STEM fields.

9. Key Takeaways:

• The "Symmetry Block Free Hand Only" applet is an HTML5-based interactive tool for teaching line symmetry, part of a larger OER initiative in Singapore.
• It was developed collaboratively using the EJS framework and is freely available under a Creative Commons license for educational use.
• The project demonstrates a commitment to leveraging technology and open resources to improve STEM education.

This briefing document summarizes the key information and themes related to the "Symmetry Block Free Hand Only JavaScript HTML5 Applet Simulation Model" based on the provided excerpts from the Open Educational Resources / Open Source Physics @ Singapore website.

1. Overview of the Simulation Model:

• The central focus is a JavaScript HTML5 applet simulation model titled "Symmetry Block Free Hand Only."
• It is categorized under "Line Symmetry," indicating its purpose is to explore and demonstrate this mathematical concept.
• The model is designed to be embedded in web pages using an <iframe> tag, allowing for easy integration into various online learning environments. The embed code provided is: <iframe width="100%" height="100%" src="https://iwant2study.org/lookangejss/math/ejss_model_symmetryblockfreehandonly/symmetryblockfreehandonly_Simulation.xhtml " frameborder="0"></iframe>
• The model appears to be part of a larger collection of Open Educational Resources (OER) and Open Source Physics (OSP) materials developed in Singapore.

2. Credits and Development:

• The simulation model is credited to:
• This email address is being protected from spambots. You need JavaScript enabled to view it. (presumably the primary contact or developer)
• Francisco Esquembre
• Felix J. Garcia Clemente
• This suggests a collaborative effort in the development of the applet.
• The "Symmetry Blocks Primary Math Interactives" source explicitly states the same authors and copyright for 2024, further confirming their involvement in this type of educational resource. It also mentions being "Compiled with EJS 6.02_BETA (201222)," indicating the use of the Easy JavaScript Simulation (EJS) tool for its creation.

3. Accessibility and Platforms:

• The simulation is a JavaScript HTML5 applet, making it likely accessible on modern web browsers without the need for additional plugins like Flash. This aligns with the broader shift towards HTML5 for interactive content.
• An associated Android application is also available: https://play.google.com/store/apps/details?id=com.ionicframework.symmetryblock. This expands the accessibility of the learning tool to mobile devices.

4. Supporting Resources and Context:

• The page provides links to other related resources, including:
• A blog post announcing the symmetry block applet: http://weelookang.blogspot.sg/2017/10/symmetry-block-javascript-html5-applet.html
• Older Flash-based versions of similar symmetry-related interactives:
• http://iwant2study.org/lookangejss/math/flash/Primary%20Level/Symmetry%20with%20block%20painting/Symmetry_Block.swf
• http://iwant2study.org/lookangejss/math/flash/Primary%20Level/symmetry%20by%20drawing/Symmetry_Drawing.swf
• These links suggest a progression from Flash to HTML5 for these interactive tools, indicating a commitment to modern web standards.
• The "Breadcrumbs" navigation indicates that this specific simulation is located under "Events/Workshop/Talks" and specifically related to the "20180531-0601 International Conference on Teaching & Learning with Technology (iCTLT) 2018 booth on interactive simulations." This suggests the applet was likely showcased or presented at this conference, highlighting its relevance to technology in education.

5. Broader Context within Open Educational Resources / Open Source Physics @ Singapore:

• The sheer volume of other listed simulation models and applets on the webpage demonstrates a significant and diverse collection of OER in physics and mathematics.
• These simulations cover a wide range of topics, from mechanics and waves to electricity and magnetism, as well as mathematical concepts like calculus, complex numbers, and geometry.
• The presence of numerous simulations labeled "PICUP" suggests involvement with the Partnership for Integration of Computation into Undergraduate Physics (PICUP) project, indicating a focus on incorporating computational models into physics education.
• The listing of events like "20180724 N3 Cluster 8th ICT Symposium Exploring Customisable Math Apps" and "20180705 Using ICT to Teach Math TRAISI Code: 31321-003" further emphasizes the project's engagement with educators and the use of ICT in teaching STEM subjects.
• The inclusion of "Popular Tags" like "Learning and Teaching Mathematics using Simulations," "EasyJavaScriptSimulation," and specific mathematical and physics topics highlights the key areas of focus for this OER initiative.

6. Licensing and Usage:

• The website footer states that "Contents are licensed Creative Commons Attribution-Share Alike 4.0 Singapore License." This allows for the free use, adaptation, and sharing of the resources, provided attribution is given and any derivative works are shared under the same license.
• For commercial use of the "EasyJavaScriptSimulations Library," a separate license and direct contact with fem@um.es are required, as indicated by the link to the EJS license.

7. Potential Educational Applications:

• The "Symmetry Block Free Hand Only" applet, along with the broader collection, offers valuable tools for educators to:
• Visually demonstrate abstract mathematical and physics concepts.
• Provide interactive learning experiences for students.
• Allow students to explore and experiment with different parameters and scenarios.
• Supplement traditional teaching methods with engaging simulations.
• Utilize open educational resources that are freely available and adaptable.

8. Key Takeaways:

• The "Symmetry Block Free Hand Only" JavaScript HTML5 applet is a tool for teaching line symmetry, developed by a team including Francisco Esquembre and Felix J. Garcia Clemente, and likely spearheaded by This email address is being protected from spambots. You need JavaScript enabled to view it..
• It is part of a large and diverse collection of OER in mathematics and physics from Singapore, utilizing the Easy JavaScript Simulation (EJS) framework.
• The resources are openly licensed under Creative Commons, promoting their free use and adaptation for educational purposes.
• The project demonstrates a strong commitment to using interactive simulations and technology to enhance teaching and learning in STEM fields.

This briefing document provides a foundational understanding of the "Symmetry Block Free Hand Only" applet and its context within the Open Educational Resources / Open Source Physics @ Singapore initiative. Further investigation into the specific functionalities of the applet and the accompanying teacher/student resources (if available elsewhere on the site) would provide a more comprehensive understanding of its pedagogical value.

Frequently Asked Questions about the Symmetry Block Simulation

1. What is the "Symmetry Block Free Hand Only" simulation model designed to teach?

The "Symmetry Block Free Hand Only" simulation model is primarily designed to teach the concept of line symmetry in a visual and interactive manner. It allows users to draw freely and immediately see the symmetrical reflection across a defined line, helping them develop an intuitive understanding of this geometric concept.

2. What technologies are used to create and deliver this simulation?

This simulation is built using JavaScript and HTML5. This choice of technology ensures that the applet can be accessed and run directly within modern web browsers without requiring additional plugins, making it widely accessible across different devices and operating systems.

3. For what educational level and subject area is this simulation intended?

Based on its categorization under "Line Symmetry" and the existence of related "Primary Math Interactives," this simulation is primarily intended for primary school level mathematics education. It provides a hands-on tool for young learners to explore fundamental concepts of symmetry.

4. Who are the key individuals or entities involved in the development of this simulation and related resources?

The development of the "Symmetry Block Free Hand Only" simulation is credited to weelookang@gmail.com, Francisco Esquembre, and Felix J. Garcia Clemente. These individuals are also credited for the "Symmetry Blocks Primary Math Interactives," indicating a collaborative effort in creating these educational tools. The Open Educational Resources / Open Source Physics @ Singapore project serves as a platform for hosting and sharing these resources.

5. How can educators and learners access and use this simulation?

The simulation can be accessed directly through its web link (https://iwant2study.org/lookangejss/math/ejss_model_symmetryblockfreehandonly/symmetryblockfreehandonly_Simulation.xhtml). Additionally, it can be embedded into other web pages using the provided