Overview:

This briefing document summarizes the key information available about two related JavaScript HTML5 applet simulation models focused on teaching addition with carrying: "Adding to 100 with carry" and "adding to 40 with carry." These applets are part of the Open Educational Resources / Open Source Physics @ Singapore project and utilize the Easy JavaScript/JavaScript Simulations Toolkit.

Main Themes and Important Ideas/Facts:

• Educational Resources: Both applets are explicitly identified as educational resources within the domain of mathematics, specifically focusing on addition and subtraction. The "Adding to 100 with carry" resource is categorized under "Pure Mathematics" and further specified within "Functions and graphs" (although this categorization seems less directly relevant to the applet's function of teaching addition).
• Interactive Learning Tools: These applets are designed as interactive simulations to aid in learning the concept of addition with carrying. The "Adding to 100 with carry" source provides an embeddable iframe code, indicating its intended use within webpages for direct interaction.
• <iframe width="100%" height="100%" src="https://iwant2study.org/lookangejss/math/ejss_model_addingwith40ejss1/addingwith40ejss1_Simulation.xhtml " frameborder="0"></iframe>
• Target Audience (Implied): While not explicitly stated, the titles ("Adding to 100 with carry," "adding to 40 with carry") and the inclusion of related resources like "Adding within 40 Lesson: Addition and Subtraction within 100 Primary 1" strongly suggest that these applets are intended for primary school students learning basic arithmetic.
• Open Source Nature: The project is part of "Open Educational Resources / Open Source Physics @ Singapore," emphasizing the accessibility and potential for adaptation and reuse of these tools. The "Adding to 40 with carry" source explicitly states it is "Released under a license" and acknowledges the Creative Commons Attribution-Share Alike 4.0 Singapore License mentioned at the end of the "Adding to 100" source.
• Technology Used: Both applets are developed using JavaScript and HTML5, making them web-based and potentially accessible across various devices without the need for specific software installation. They also utilize the "Easy JavaScript/JavaScript Simulations Toolkit" (EjsS), developed by Francisco Esquembre and Félix Jesús Garcia Clemente. This toolkit is mentioned explicitly in the "Adding to 100" source under "Easy Java/JavaScript Simulations Toolkit https://www.um.es/fem/EjsWiki/ vy Francisco Esquembre and Félix Jesús Garcia Clemente."
• Creators and Contributors: The creators of both applets are identified as lookang, Francisco Esquembre, and Felix J. Garcia Clemente. This highlights a collaborative effort in developing these educational tools.
• Version Information: The "Adding to 100 with carry" source provides links to different versions of the applet, suggesting ongoing development and potential variations.
• "1. https://iwant2study.org/lookangejss/math/ejss_model_addingwith40ejss1/"
• "2. https://weelookang.blogspot.com/2020/02/adding-to-100-with-carry-javascript.html" (This link likely provides more context and information about the applet).
• Related Resources: The "Adding to 100 with carry" source lists "Other Resources," including links to lessons on the Singapore Student Learning Space (SLS) related to addition and subtraction within 100 for Primary 1 students. This further supports the intended target audience.
• "https://vle.learning.moe.edu.sg/lesson/view/7a5ae5a2-32a5-48f7-bb64-39448211658b Adding within 40 Lesson: Addition and Subtraction within 100 Primary 1"
• "https://vle.learning.moe.edu.sg/community-gallery/lesson/view/d7b0e1b6-6806-4e11-9ac5-80bf3a3c7749 With mobile keybaord added"
• Integration and Sharing: The availability of the embed code for the "Adding to 100 with carry" applet encourages its integration into other online learning platforms and resources.
• Broader Context: The extensive list of other interactive resources on the "Open Educational Resources / Open Source Physics @ Singapore" page indicates a larger project focused on creating and sharing open-source educational simulations across various subjects, including mathematics and science. This project has received recognition, as mentioned by the "2020 Excellence in Physics Education Award from American Physical Society goes to Open Source Physics Team."

Quotes from Original Sources:

• From "Adding to 100 with carry JavaScript HTML5 Applet Simulation Model":
• "Embed this model in a webpage:" (followed by the iframe code)
• The breadcrumbs indicate its location within the website structure: "Home > Interactive Resources > Mathematics > Pure Mathematics > 1 Functions and graphs > 1.1 Functions" (Note: the placement under "Functions and graphs" seems somewhat misaligned with the applet's core functionality).
• From "adding to 40 with carry":
• "Title and author: adding to 40 with carry"
• "lookang; Francisco Esquembre; Felix J. Garcia Clemente"
• "© 2020, lookang; Francisco Esquembre; Felix J. Garcia Clemente. Released under a license."

Conclusion:

These JavaScript HTML5 applet simulation models, "Adding to 100 with carry" and "adding to 40 with carry," are valuable open educational resources designed to help primary school students learn the fundamental concept of addition with carrying. Developed using the EjsS toolkit by a collaborative team, these interactive tools are web-based, embeddable, and part of a larger initiative promoting open-source educational materials in Singapore. The provided links and related resources offer avenues for further exploration and integration of these applets into teaching practices.

Frequently Asked Questions: Adding with Carry Simulation

• What is the "Adding to 100 with carry JavaScript HTML5 Applet Simulation Model"? This is an interactive, web-based tool designed to help users understand the process of addition with carrying, specifically focusing on sums up to 100. It is built using JavaScript and HTML5, making it accessible through modern web browsers without the need for additional plugins.
• Who created this simulation model? The model was created by lookang, Francisco Esquembre, and Felix J. Garcia Clemente. Their work is part of the Open Educational Resources / Open Source Physics @ Singapore initiative, which aims to provide free and accessible educational tools.
• What are the educational goals of this simulation? While the specific learning goals aren't detailed in the provided text, the title suggests it aims to help learners grasp the mechanics of addition that involve carrying over values from one place value to the next, within the context of sums up to 100. This likely targets foundational mathematics skills.
• Can this simulation be embedded in other websites or learning platforms? Yes, the provided HTML iframe code explicitly allows for embedding the simulation into other webpages. This facilitates its integration into various online learning environments, such as virtual learning environments (VLEs) and educational websites.
• Are there other related resources or versions of this simulation? The text mentions several related resources, including links to different versions of the "Adding to 100 with carry" model and lessons on related topics like addition and subtraction within 40 and 100. These suggest a suite of tools and materials for teaching and learning basic arithmetic.
• Is this simulation part of a larger project or collection of educational resources? Yes, this simulation is hosted under the "Open Educational Resources / Open Source Physics @ Singapore" umbrella. This indicates that it is part of a broader collection of freely available educational materials, likely covering various subjects beyond mathematics and physics, as evidenced by the numerous other applet titles listed.
• What other types of interactive simulations are available from this source? The extensive list of applets reveals a wide range of interactive simulations covering diverse topics, including physics (e.g., buoyancy, projectile motion, optics, waves), chemistry (e.g., chemical bonding, balancing equations), mathematics (e.g., geometry, algebra, calculus), and even games for language learning and other subjects. This highlights the breadth of open educational resources offered by this initiative.
• Is there any information about the technology or tools used to create these simulations? The text mentions "Easy Java/JavaScript Simulations Toolkit (Ejs)" as a tool used in the creation of these interactive resources. This toolkit, developed by Francisco Esquembre and Félix Jesús Garcia Clemente, enables the creation of interactive science and mathematics simulations that can be run on the web using Java or JavaScript.