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Understand Addition & Subtraction through Objects

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Understand Addition & Subtraction through Objects

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Students will learn to understand the concepts of addition and subtraction by manipulating objects to sort and classify according to attributes.

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By the end of this lesson, students will be skilled in organizing and classifying objects based on their characteristics, enhancing their understanding of quantitative sorting.

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Begin the lesson by reviewing prior knowledge on object classification. Use familiar small objects like toy cars, stones, coins to engage students in quick, interactive classification exercises.

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Divide students into groups, providing each with a set of objects. Pose addition and subtraction scenarios (e.g., adding or removing toy cars) to solve as a group, using physical objects to enhance understanding.

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Using Counting Tools & Graphic Representations

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Using Counting Tools & Graphic Representations

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Introduce counting tools and graphical methods to solve addition and subtraction problems. This includes digital tools or simple pen-and-paper methods to visualize calculations.

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Practical Classification & Quantitative Sorting

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Practical Classification & Quantitative Sorting

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In groups, students will classify provided objects by attributes, then quantitatively sort them, recording their findings. Encourage creativity in classification methods to explore different sorting strategies.

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Utilize Padlet for an interactive group classification activity, allowing students to share and discuss their sorting methods and results in real-time, fostering collaboration and digital literacy.

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Continuously assess students' understanding through observation of their involvement in activities, discussions, and their ability to apply concepts in practical tasks.

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Conduct a quiz or test focusing on addition, subtraction, and object classification to evaluate students' grasp of the concepts covered in the lesson.

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Conclude the lesson with groups sharing their classification and sorting strategies. Prompt reflective thinking about the practical applications of the skills learned today.

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Assign worksheets, projects, and online games focusing on addition, subtraction, and object classification. Encourage exploration of digital platforms for further practice.

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Math Games – Free Online for Grades K–6 | Math Playground

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300+ free math games to build fluency and problem solving. Kid-safe, classroom-ready, no sign-in.