# Ch 19: 4th Grade Math: Circles

After viewing the video lessons on circles, 4th graders will have a greater understanding of how to calculate equations dealing with circles and identify the parts of a circle. Knowledge of the subject can be tested through the lesson's quizzes.

## Circles - Chapter Summary

Aside from exploring the parts of a circle, these short video lessons focus on methods for solving math problems that deal with various types of measurements for circles. This chapter provides tools, such as self-assessment quizzes and the ability to submit questions to the instructor, so that parents and teachers can help prepare 4th graders for homework assignments or exams.

## Chapter Lessons and Objectives

Lesson Objective
Parts of a Circle Students learn about the radius, center, diameter and chord of a circle
Central and Inscribed Angles Instructors explain the meaning of center and inscribed angles
Radius and Diameter Students receive in-depth knowledge of the radius and diameter of a circle and understand how to compute these items using a formula
Area and Circumference Instructors teach how to use math formulas to solve area and circumference equations
Semicircles In this lesson, students are shown how to calculate the diameter, perimeter, area and radius of a semicircle
Quarter Circles Students get an understanding of the radius, area and perimeter of quarter circles and how to solve them
Circle Word Problems This lesson allows students to practice what they've learned about solving circle math problems in word format

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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