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Ch 10: 4th Grade Math: Lines, Angles & Shapes

About This Chapter

Check out this chapter to assist your 4th grader with understanding lines, angles, and shapes. Whether at home, in class, or anywhere else, these lessons can provide you and your students with guidance for understanding and solving math homework problems.

4th Grade Math: Lines, Angles & Shapes - Chapter Summary

In this chapter, find the information you need to better explain lines, angles, and shapes to 4th grade students. Easy-to-follow lessons help young learners better understand the definitions and terms associated with these math concepts. The lessons may also offer students additional practice to draw, name, and label geometric shapes. You and your student can go through every lesson in this chapter, or you can use the chapter menu to focus on the lessons in which your 4th grader needs the most assistance.

Chapter Topics

  • Geometric angles, lines, and points
  • Determining line types
  • Various kinds of angles
  • Definition of a regular polygon
  • Polygon names
  • Characteristics of vertices
  • Facts and properties of triangles and circles
  • Quadrilateral diagonals
  • Examples of solid figures
  • Definition of congruent figures
  • Description of similar polygons
  • Geometric shapes and lines of symmetry

13 Lessons in Chapter 10: 4th Grade Math: Lines, Angles & Shapes
Test your knowledge with a 30-question chapter practice test
Points, Lines & Angles in Geometry

1. Points, Lines & Angles in Geometry

After watching this video lesson, you should understand the basic terms that form the foundation of geometry. Learn what a point is, what a line is, what an angle is, and learn about a special type of angle called a right angle.

Identifying Types of Lines: Lesson for Kids

2. Identifying Types of Lines: Lesson for Kids

Think about all the different lines you see on a daily basis. Lines are everywhere! Come and learn about parallel, perpendicular, vertical and horizontal lines in this lesson. You will be able to spot them with ease!

Types of Angles: Lesson for Kids

3. Types of Angles: Lesson for Kids

In this lesson, you will meet Natalie, a fourth-grade student who uses a clock and her schedule to discover different types of angles. By the end of this lesson, you will know what an angle is and how to identify the four different types of angles.

What is a Regular Polygon? - Lesson for Kids

4. What is a Regular Polygon? - Lesson for Kids

What is a regular polygon? If you do not know, you have come to the right place! In this lesson, you will learn how to spot a regular polygon in a lineup!

Names of Polygons

5. Names of Polygons

When your mom stops at a stop sign, what shape is it? When you slide into home plate, what shape is the base? Everywhere we look, we can see shapes called polygons, which we'll learn about in this lesson.

Vertices: Lesson for Kids

6. Vertices: Lesson for Kids

Vertices are everywhere! Geometry includes lines, shapes, and solid figures, and all of these can make or have vertices. In this lesson, learn the definition of a vertex and the different ways we can identify and describe vertices in geometry.

Triangle Lesson for Kids: Definition & Facts

7. Triangle Lesson for Kids: Definition & Facts

Triangles may be a simple shape but there are lots of different types! In this lesson, we will clearly define a triangle and think about some of the different kinds of triangles.

Properties of a Circle: Lesson for Kids

8. Properties of a Circle: Lesson for Kids

You come across so many shapes every day, and one of the most unique is the circle. This simple shape plays a huge role in our lives. In this lesson, you will learn about the parts of a circle!

Diagonals of Quadrilaterals: Lesson for Kids

9. Diagonals of Quadrilaterals: Lesson for Kids

There are many types of lines: straight lines, curvy lines, lines at right angles, and lines that cross. But do you know about perpendicular and bisecting diagonals within quadrilaterals? Why don't you read this lesson and learn about them?

Solid Figures: Definition, Properties & Examples

10. Solid Figures: Definition, Properties & Examples

Solid figures are everywhere around us. In this lesson, we'll learn what solid figures are, and we'll explore some common types of solid figures. After going through the lesson, you will be able to test your new-found knowledge with a quiz.

What Are Congruent Figures? - Definition & Examples

11. What Are Congruent Figures? - Definition & Examples

In this lesson, you'll learn what congruent figures are. You'll also see a few examples of congruent and non-congruent figures. Then, test your knowledge with a brief quiz.

Similar Polygons: Definition and Examples

12. Similar Polygons: Definition and Examples

Watch this video to learn what makes two polygons similar to each other. You'll also learn the one distinguishing aspect of similar polygons and see an example of how to compare two polygons.

What is a Line of Symmetry in Geometric Shapes?

13. What is a Line of Symmetry in Geometric Shapes?

After viewing this lesson, you should be able to identify shapes that have a line of symmetry in them and know how to find where this line is. A short quiz to test your knowledge will follow the lesson.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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