# Ch 27: Basic Number Sense and Operations

In this chapter, our expert instructors have assembled lessons for educating you on basic number sense and operations. We include unique study tools to greatly enhance user experience.

## Basic Number Sense and Operations - Chapter Summary and Learning Objectives

Numbers are constantly used to provide important information about every day things. Created by our subject-matter experts, the lessons in this chapter instruct on basic number sense and operations, so you will better understand strategies for working with numbers. Lessons are accompanied by a quiz that can be taken to test your understanding of the lesson material. If you need to review any of the lessons, use the video transcript or use the keyword-based timeline tool to go right to the spot you want to revisit in the video. When you complete this chapter, you will be skilled at:

• Recognizing the different types of numbers
• Finding absolute value, additive inverse and multiplicative inverse of a number
• Solving problems using fractions, mixed numbers and decimal numbers
• Changing between decimals and percents and between decimals and fractions
• Simplifying expressions using the order of operations in math
• Understanding bar graphs and pie charts and interpreting graphical representations

Lesson Objective
What are the Different Types of Numbers? Learn all the different types of numbers.
Identifying Prime & Composite Numbers Discuss how to recognize prime and composite numbers.
Finding the Absolute Value of a Real Number Study how to find the absolute value of any real number.
Additive Inverse Property: Definition & Examples Examine finding the additive inverse of a given number.
Multiplicative Inverse: Definition, Property & Examples Get familiar with the multiplicative inverse and its properties.
What is a Percent? - Definition & Examples Take a look at what a percent is.
Solve Problems using Percents Figure out how to solve problems using percents.
Solving Problems using Fractions and Mixed Numbers Work out how to solve problems using fractions.
Solving Problems using Decimal Numbers Discover how to use decimals in problem solving.
Changing Between Decimals and Percents Get a handle on going back and forth between decimals and percents.
Changing Between Decimals and Fractions Look at the usefulness of changing between decimals and fractions.
What is the Order of Operations in Math? - Definition & Examples Discover the steps used to simplify any mathematical expression.
Understanding Bar Graphs and Pie Charts Examine the use of two of the most commonly used graph types.
Interpreting Graphical Representations Recognize the meaning and interpretation of any line or bar graph.

9 Lessons in Chapter 27: Basic Number Sense and Operations
Test your knowledge with a 30-question chapter practice test
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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