About This Chapter
How It Works:
- Identify the lessons in the Prentice Hall Area and Volume chapter with which you need help.
- Find the corresponding video lessons with this companion course chapter.
- Watch fun videos that cover the area and volume topics you need to learn or review.
- Complete the quizzes to test your understanding.
- If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.
You'll learn all of the pre-algebra topics covered in the textbook chapter, including:
- Formulas for measuring the area of parallelograms and trapezoids
- Calculating the area of triangles, circles and rectangles
- Determining circumference
- Three-dimensional geometric shapes
- The area and volume of prisms, cylinders and pyramids
- Finding the surface area of spheres and cones
- The use of models for calculating the answers to math problems
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1. Measuring the Area of a Parallelogram: Formula & Examples
Watch this video lesson to learn the simple formula to find the area of a parallelogram. Learn what measurements you need, how to label your parallelogram, and how to use the formula.
2. Area of Triangles and Rectangles
How do you find out the area of rectangles and triangles? Learn how in this lesson! We'll look at the formulas, then practice solving problems for each shape.
3. Measuring the Area of a Trapezoid
In this video lesson, you will watch and learn how you can find the area of trapezoid. Learn what measurements you need to have on hand as well as the formula that you need to use.
4. Circles: Area and Circumference
Understanding how to calculate the area and circumference of circles plays a vital role in some of our everyday functions. They serve as the foundation for operating with three-dimensional figures. Learn more about the area and circumference of circles in this lesson.
5. Overview of Three-dimensional Shapes in Geometry
We are surrounded by three-dimensional shapes. Watch this video lesson to see what some three-dimensional shapes look like, such as a cube, a sphere, a brick, and a cylinder.
6. Prisms: Definition, Area & Volume
Watch this video lesson and you will see that there are different kinds of prisms. You will also learn how to separate a prism into its various parts so you can easily find the surface area. You will also learn the formula for the volume.
7. What Are Cylinders? - Definition, Area & Volume
Watch this video lesson to learn why soda cans are cylinders and the method by which you can discover how much soda can fit inside by finding the volume. You will also learn about finding a cylinder's surface area.
8. Pyramids: Definition, Area & Volume
Do you think of the great pyramids of Egypt when you hear the word pyramids? Watch this video lesson to learn why they are called pyramids and also how to find their surface area and volume.
9. Cones: Definition, Area & Volume
Watch this video lesson to learn where in the real world you will see cones. Also, you will learn the formulas for finding the surface area and volume of these cones.
10. Spheres: Definition, Area & Volume
Watch this video lesson to learn how you can find the surface area and volume of spheres. Learn the formulas and measurements you need to solve problems and discover how to identify spheres in the real world.
11. How to Use Models to Solve Math Problems
In this lesson, we will discuss using models to solve math problems. We will look at two examples together, modeling and measuring the area of a quadrilateral and the volume of a cube.
12. Mass and Volume: Formulas, Unit Conversion & Practice Problems
Learn about how mass and volume are connected by a special formula, how to calculate volumes of common 3D shapes, and how to convert between different units of mass and volume. Complete some practice problems and perfect your skills.
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Other chapters within the Prentice Hall Pre-Algebra: Online Textbook Help course
- Prentice Hall Pre-Algebra Chapter 1: Algebraic Expressions & Integers
- Prentice Hall Pre-Algebra Chapter 2: Solving One-Step Equations & Equalities
- Prentice Hall Pre-Algebra Chapter 3: Decimals & Equations
- Prentice Hall Pre-Algebra Chapter 4: Factors, Fractions & Exponents
- Prentice Hall Pre-Algebra Chapter 5: Operation with Fractions
- Prentice Hall Pre-Algebra Chapter 6: Ratios, Proportions & Percents
- Prentice Hall Pre-Algebra Chapter 7: Solving Equations & Inequalities
- Prentice Hall Pre-Algebra Chapter 8: Linear Functions & Graphing
- Prentice Hall Pre-Algebra Chapter 9: Spatial Thinking
- Prentice Hall Pre-Algebra Chapter 11: Right Triangles in Algebra
- Prentice Hall Pre-Algebra Chapter 12: Data Analysis & Probability
- Prentice Hall Pre-Algebra Chapter 13: Nonlinear Functions & Polynomials