About This Chapter
Measurement & Geometry Skills - Chapter Summary
Use this chapter's lessons to review basic measurement skills and the tools needed to take measurements. You'll look at formulas for mass and volume, and work some practice problems involving them. Another lesson examines temperature.
Our instructors go over some basic principles involving geometric figures, including geometric constructions and formulas for finding area. After watching these videos, you should be able to:
- Perform basic operations with measurements
- Use scales, meters and gauges to take measurements
- Understand properties of geometric figures
- Analyze math problems by using geometry
- Calculate the areas of triangles, rectangles and complex figures
- Convert units of mass and volume
- Define temperature and how it is measured
You can watch these lessons and take the self-assessment quizzes on a computer or mobile device, anywhere you have a few minutes to devote to study. Practice problems in these lessons help you understand the concepts being discussed.
1. How to Perform Basic Operations with Measurements
In this video lesson, you will learn how measurements are very much like variables when it comes to adding, subtracting, multiplying, and dividing them. You will also see examples of how they are done.
2. How to Take Measurements with Scales, Meters & Gauges
In the real world, we take measurements all the time. Measurements are taken when you drive and when you weigh yourself, for example. Watch this video lesson to learn how you can take measurements of things that are important.
3. Properties and Postulates of Geometric Figures
In geometry, there are some basic postulates that are relied upon as the basis for other theorems. Watch this video to learn about the postulates that deal with points, lines, and planes.
4. Geometric Constructions Using Lines and Angles
Watch this video lesson to learn about geometric construction and how you can copy line segments and angles without using any numbers. All you need is a straight edge and a compass.
5. Basic Formulas for Two- and Three-Dimensional Figures
Geometric measurements can be taken for one-, two-, and three-dimensional shapes. This lesson explores the most common formulas one would use to find perimeter, area, surface area, and volume of several two- and three-dimensional figures.
6. Using Geometry to Analyze Math Problems
As you learn more math concepts, it helps you solve problems faster and easier. This is the case when it comes to using geometry to solve math problems. Read this lesson to learn how common geometric shapes can help you solve problems.
7. 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.
8. Area of Complex Figures
Finding the area of shapes isn't always as simple as it is with squares and rectangles. In this lesson, you'll learn how to find the area of complex figures. This includes finding the area of unusual shapes and finding the area of parts of shapes.
9. What is Surface Area? - Definition & Formulas
In this lesson, you use general and specific formulas to learn how to find the surface area of three-dimensional shapes, such as cubes, prisms, spheres, cones and cylinders.
10. 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.
11. What is Temperature? - Definition & Measurement
In the most intuitive terms, temperature refers to how hot or cold something is. Learn more about temperature as a measure of the average kinetic energy of the particles in an object and test your knowledge with quiz questions.
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