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Video: Introduction to Circles - This video provides an overview of the basic concepts and properties of circles, such as radius, diameter, circumference, and area. It also explains how to calculate these measurements using formulas.
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Worksheet: Circle Terminology - This worksheet helps students practice identifying and understanding the different parts of a circle, including the center, radius, diameter, chord, and tangent.
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Video: Circle Properties - In this video, students learn about various properties of circles, such as the relationship between the radius and diameter, the relationship between the circumference and diameter, and the relationship between the circumference and area.
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Worksheet: Circumference and Area of Circles - This worksheet focuses on calculating the circumference and area of circles using the appropriate formulas. It includes a variety of practice problems with different levels of difficulty.
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Video: Arcs and Central Angles - This video explains the concepts of arcs and central angles in circles. It covers how to measure and calculate the length of an arc, as well as how to find the measure of a central angle.
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Worksheet: Arcs and Central Angles - This worksheet provides practice problems on finding the length of arcs and the measure of central angles in circles. It includes both single-step and multi-step problems.
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Video: Inscribed Angles - In this video, students learn about inscribed angles in circles and how to find their measures. It also covers the relationship between inscribed angles and central angles.
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Worksheet: Inscribed Angles - This worksheet focuses on finding the measures of inscribed angles in circles. It includes various types of problems, such as finding the measure of an inscribed angle given the measure of a central angle or finding the measure of an inscribed angle using the properties of triangles.
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Video: Tangents and Secants - This video explains the concepts of tangents and secants in circles. It covers how to identify and draw tangents and secants, as well as how to find the lengths of segments formed by these lines.
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Worksheet: Tangents and Secants - This worksheet provides practice problems on identifying and drawing tangents and secants in circles. It also includes problems on finding the lengths of segments formed by these lines.
These resources cover the key topics and concepts in the Grade 7 Circles unit in Illinois. They provide a combination of video explanations and worksheets for students to practice and reinforce their understanding of the material.