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Ch 4: Essential Math Review

About This Chapter

This chapter covers a variety of mathematical operations and algebraic terms. You'll review the steps necessary to solve different kinds of problems while familiarizing yourself with several numeric forms.

Essential Math Review - Chapter Summary

This chapter breaks down a large number of mathematical operations. The lessons within demonstrate the process of solving different kinds of problems while fleshing out the components involved. Topics discussed include finding the square root of a number, calculating mean, median, mode and range, as well as all of the following:

  • Finding a number's prime factorization
  • Working with fractions and mixed numbers
  • Decimal notation
  • Operating with percentages and decimals
  • Word problems
  • Ratios and proportions

These lessons include both a video and transcript of the content, allowing you to select the method of learning you prefer. The timeline feature beneath every video makes for a great navigational tool, while the transcripts are full of bolded words that make it easy to spot key terms and topics. If you find yourself struggling, you can always seek assistance from our professional instructors using the teacher or help tab.

12 Lessons in Chapter 4: Essential Math Review
Test your knowledge with a 30-question chapter practice test
How to Find the Square Root of a Number

1. How to Find the Square Root of a Number

What is a square root? In this lesson, we'll learn what a square root is and how to find it. We'll review a variety of examples in order to master the concept.

How to Find the Prime Factorization of a Number

2. How to Find the Prime Factorization of a Number

The prime factorization of a number involves breaking that number down to its smallest parts. This lesson will show you two different ways to discover the prime factorization of any number.

How to Calculate Mean, Median, Mode & Range

3. How to Calculate Mean, Median, Mode & Range

Measures of central tendency can provide valuable information about a set of data. In this lesson, explore how to calculate the mean, median, mode and range of any given data set.

How to Add and Subtract Unlike Fractions and Mixed Numbers

4. How to Add and Subtract Unlike Fractions and Mixed Numbers

Simple fraction arithmetic gets a little more complicated when our denominators don't match. In this lesson, we'll learn how to add and subtract unlike fractions. Then, we'll do the same with mixed numbers.

Multiplying Fractions and Mixed Numbers

5. Multiplying Fractions and Mixed Numbers

Multiplying fractions is much more straightforward than adding, subtracting or dividing fractions. In this lesson, learn how it works. We'll also learn how to multiply mixed numbers.

Dividing Fractions and Mixed Numbers

6. Dividing Fractions and Mixed Numbers

Dividing fractions and mixed numbers? It sounds daunting, but it's not as tricky as it sounds. In this lesson, we'll learn how to divide fractions and mixed numbers.

Addition, Subtraction, Multiplication, and Division with Decimal Notation

7. Addition, Subtraction, Multiplication, and Division with Decimal Notation

Performing operations such as addition, subtraction, multiplication and division has some differences when there are decimals involved. This lesson will explain how to perform these operations all while keeping the decimals straight.

Calculating & Converting Percentages, Fractions & Decimals

8. Calculating & Converting Percentages, Fractions & Decimals

After watching this video lesson, you will be able to convert between percentages, fractions, and decimals easily and quickly. Learn the steps you need to take for each type of conversion.

Solve Problems Using Percents

9. Solve Problems Using Percents

Percents are your friend. Think of all the cool things percents do for you. They save you money, and they tell you how well you are doing in school. Learn how you can solve problems with percents in this video lesson.

Solving Word Problems: Steps & Examples

10. Solving Word Problems: Steps & Examples

Watch this video lesson to learn how you can solve word problems by following this 3-step process. Learn how to visualize your problem so you fully understand it. Then learn how to write and solve your equations.

Solving Word Problems with Multiple Steps

11. Solving Word Problems with Multiple Steps

Not all word problems are so straightforward that they only require you to do one operation and you're done. Some are more complicated, requiring several steps. Watch this video lesson to learn how to solve these kinds of problems.

Calculations with Ratios and Proportions

12. Calculations with Ratios and Proportions

Even if only 99 out of 100 people need to know how to work with ratios, the odds that they'll be useful to you are very high. In this lesson, we'll practice performing calculations with ratios and proportions.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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