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3rd Grade Math Activity: Circle Activity

Learn about the parts of a circle, including the radius and diameter, in this circle activity. When you’re finished, try to find examples of circles around your house.

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This interactive activity is embedded in our Third Grade Math + 3 (Purple) course.

Learn more about circles in these activities


This research-based course focuses on computational fluency, conceptual understanding, and problem-solving. The engaging course features new graphics, learning tools, and games; adaptive activities that help struggling students master concepts and skills before moving on; and more support for Learning Coaches to guide their students to success. This course for students in Grade 3 provides a quick overview of whole number addition and subtraction, but has a greater focus on whole number multiplication and division, encompassing early algebraic thinking. Decimals are studied in relationship to place value and money, and fractions are addressed through multiple representations and probability. Students are introduced to specific methods and strategies to help them become more effective problem solvers. Geometry and measurement are addressed through the study of two- and three-dimensional shapes, early work with perimeter, area, and volume, and applying measuring techniques to time, length, capacity, and weight.

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3rd Grade Math Activity: Circle Activity

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