# Ch 19: 4th Grade Math: Circles

### About This Chapter

## 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 |

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### Other Chapters

Other chapters within the 4th Grade Math: Practice & Review course

- 4th Grade Math: Number Sense & Arithmetic
- 4th Grade Math: Number Properties
- 4th Grade Math: Solving Math Word Problems
- 4th Grade Math: Estimation & Rounding
- 4th Grade Math: Addition
- 4th Grade Math: Subtraction
- 4th Grade Math: Multiplication
- 4th Grade Math: Multiples of Whole Numbers
- 4th Grade Math: Division
- 4th Grade Math: Simplifying Whole Number Expressions
- 4th Grade Math: Basic Algebraic Expressions
- 4th Grade Math: Data & Graphs
- 4th Grade Math: Probability & Statistics
- 4th Grade Math: Units of Measurement
- 4th Grade Math: Introduction to Geometric Figures
- 4th Grade Math: Angles
- 4th Grade Math: Triangles
- 4th Grade Math: Quadrilaterals
- 4th Grade Math: Polyhedrons & Geometric Solids
- 4th Grade Math: Perimeter, Area & Volume
- 4th Grade Math: Symmetry, Similarity & Congruence
- 4th Grade Math: Fractions
- 4th Grade Math: Operations with Fractions
- 4th Grade Math: Decimals
- 4th Grade Math: Operations with Decimals
- 4th Grade Math: Money
- 4th Grade Math: Time
- 4th Grade Math: The Coordinate Graph
- 4th Grade Math: Patterns & Sequences