This briefing document provides an overview of the "Symmetry Block Grid Only JavaScript HTML5 Applet Simulation Model" hosted on the Open Educational Resources / Open Source Physics @ Singapore website. It outlines the main features, purpose, and context of this interactive tool based on the provided source material.

1. Main Theme: Interactive Learning of Line Symmetry in Mathematics

The central theme of the resource is to provide an interactive and visual tool for learning and understanding the concept of line symmetry, specifically within the context of primary mathematics education. The applet utilizes a block grid, suggesting a hands-on, constructive approach to exploring symmetry.

2. Key Features and Functionality:

• JavaScript HTML5 Applet: The core of the resource is a web-based simulation built using JavaScript and HTML5. This ensures broad accessibility across different devices and platforms without the need for additional plugins like Flash. The source explicitly mentions it as a "JavaScript HTML5 Applet Simulation Model".
• Block Grid Interface: The name "Symmetry Block Grid Only" indicates that the applet likely features a grid of blocks that users can manipulate or color to create symmetrical patterns.
• Focus on Line Symmetry: The description clearly states "Line Symmetry" as the primary concept being addressed. This suggests that users can explore concepts like axes of symmetry, mirror images, and creating symmetrical designs.
• Embeddable Model: The resource offers an embed code (<iframe width="100%" height="100%" src="https://iwant2study.org/lookangejss/math/ejss_model_symmetryblockgridonly/symmetryblockgridonly_Simulation.xhtml " frameborder="0"></iframe>) allowing educators to easily integrate the interactive model into their own webpages or learning management systems. This highlights its utility for online educational content.
• Availability as Mobile Apps: The inclusion of links to Google Play and the Apple App Store indicates that the "Symmetry Blocks" model is also available as standalone mobile applications for both Android and iOS devices. This expands its accessibility for learning on tablets and smartphones.
• Related Resources and Versions: The page lists multiple links under "Version" and "Other Resources," suggesting an evolution and availability of related tools. These include:
• Blog posts discussing the creation and use of the applet (e.g., "http://weelookang.blogspot.sg/2017/10/symmetry-block-javascript-html5-applet.html").
• Integration within a learning platform ("https://vle.learning.moe.edu.sg/personallibrary/lesson/view/8cf547b4-8fc3-42b5-bd53-98c838e2b1cc").
• Older Flash-based versions of similar tools ("http://iwant2study.org/lookangejss/math/flash/Primary%20Level/Symmetry%20with%20block%20painting/Symmetry_Block.swf").

3. Intended Audience and Educational Context:

The resource is explicitly linked to primary level mathematics through the "Other Resources" section which mentions "Primary Level" Flash simulations. The inclusion of "Sample Learning Goals" and "[For Teachers]" sections (even though the text content is not provided) further emphasizes its intended use by educators to facilitate student learning. The mention of a presentation at the "International Conference on Teaching & Learning with Technology (iCTLT) 2018" also underscores its pedagogical focus.

4. Development and Credits:

The applet is credited to:

• weelookang@gmail.com
• Francisco Esquembre
• Felix J. Garcia Clemente

This attribution is consistent across both source documents, indicating a collaborative effort in developing these interactive math tools. The reference to "EasyJavaScriptSimulations Library" and its license also suggests the underlying technology used in creating the applet.

5. Broader Context within the OER Platform:

The "Symmetry Block Grid" applet is presented within a larger collection of Open Educational Resources / Open Source Physics @ Singapore. The extensive list of other available simulation models (covering topics ranging from physics to mathematics, and interactive games) highlights the platform's commitment to providing a wide variety of interactive learning tools. The numerous mentions of "PICUP" (Physics Interactive Curricular Units Project) indicate a significant contribution from this initiative to the platform's offerings.

6. License and Usage:

The content is licensed under a Creative Commons Attribution-Share Alike 4.0 Singapore License. This allows for the free use, adaptation, and distribution of the resource, provided that appropriate credit is given and any derivative works are shared under a similar license. Separate terms apply for commercial use of the EasyJavaScriptSimulations Library, requiring direct contact with the developers.

7. "Symmetry Blocks Primary Math Interactives":

The second source, titled "Symmetry Blocks Primary Math Interactives," appears to be a general descriptor for a collection of resources, likely including the "Symmetry Block Grid" applet. It reiterates the authorship and copyright information, further solidifying the creators and the open licensing terms. The title itself reinforces the focus on primary mathematics education.

8. Conclusion:

The "Symmetry Block Grid Only JavaScript HTML5 Applet Simulation Model" is a valuable open educational resource designed to facilitate the learning of line symmetry in primary mathematics. Its interactive nature, embeddability, availability as mobile apps, and clear attribution make it a useful tool for educators seeking engaging and accessible ways to teach this fundamental geometric concept. It is part of a larger, rich collection of interactive simulations hosted by Open Educational Resources / Open Source Physics @ Singapore, demonstrating a strong commitment to open education and the use of technology in learning.

Frequently Asked Questions about the Symmetry Block Grid Simulation

1. What is the Symmetry Block Grid Only JavaScript HTML5 Applet Simulation Model? This is an interactive, web-based tool designed for learning about line symmetry. It utilizes a block grid interface where users can manipulate blocks to explore and create symmetrical patterns. Being built with JavaScript and HTML5, it can be easily embedded into web pages and accessed through modern web browsers without the need for additional plugins like Flash.

2. What is the primary focus of this simulation? The main learning objective of the Symmetry Block Grid simulation is to help users understand the concept of line symmetry. By interacting with the grid and creating symmetrical arrangements of blocks, learners can visually and practically grasp what it means for a shape or pattern to have a line of symmetry.

3. Who are the creators of this simulation? This simulation was created by weelookang@gmail.com, Francisco Esquembre, and Felix J. Garcia Clemente. Their collaborative effort has resulted in this open educational resource.

4. Is this simulation freely available for use? Yes, this simulation is part of the Open Educational Resources / Open Source Physics @ Singapore project and is released under a Creative Commons Attribution-Share Alike 4.0 Singapore License. This means it can be freely used, shared, and adapted for non-commercial purposes, provided proper attribution is given and any adaptations are shared under a similar license. For commercial use of the underlying EasyJavaScriptSimulations library, a separate license needs to be obtained from fem@um.es.

5. Where can I access and use this simulation? The simulation can be directly accessed and embedded into web pages using the provided iframe code: <iframe width="100%" height="100%" src="https://iwant2study.org/lookangejss/math/ejss_model_symmetryblockgridonly/symmetryblockgridonly_Simulation.xhtml " frameborder="0"></iframe>. Additionally, the simulation is available as a mobile app on both the Google Play Store (Symmetry Blocks) and the Apple App Store.

6. Are there any associated learning materials or resources for teachers? The source page mentions "Sample Learning Goals" and "[text]" under "For Teachers" and "Research," suggesting that there are supplementary materials intended to guide educators in using the simulation effectively in their teaching. However, the specific content of these sections is not provided in the excerpts. The listed blog posts and other resource links may also contain relevant learning materials and lesson plans.

7. Besides the Symmetry Block Grid, what other types of interactive simulations are offered by Open Educational Resources / Open Source Physics @ Singapore? The extensive list of simulations on the source page covers a wide range of topics in mathematics and physics. Examples include simulations on oscillations, waves, Newtonian mechanics, pressure, rotational motion, electricity and magnetism, optics, thermal physics, calculus, complex numbers, and various interactive games and tools for mathematical and scientific exploration. These simulations utilize JavaScript and HTML5 to provide interactive learning experiences.

8. How can this Symmetry Block Grid simulation be beneficial in an educational setting, particularly for primary math? This interactive simulation offers a hands-on approach to learning about symmetry, making it particularly suitable for primary math education. By manipulating blocks on the grid to create symmetrical patterns, students can develop a visual and intuitive understanding of the concept. This active engagement can enhance their learning experience and make abstract mathematical ideas more concrete and accessible.