# Ch 1: Number Sense

Watch online video lessons on number sense and learn fractions, percents, unit conversions, and more. Take the quizzes that follow each lesson to test your knowledge of number sense.

## Number Sense - Chapter Summary and Learning Objectives

Working with numbers includes using and understanding fractions, percentages, and decimals. In this chapter, you will learn how to recognize the values of numbers in each of these forms and how to discern whether they are larger or smaller than others in the same and different formats. You will also be shown how to utilize and interpret information from charts and graphs and become familiar with the concept of unit conversions. When you have completed this chapter, you should know how to:

• Complete mathematical problems containing fractions
• Work with decimals
• Convert decimals to fractions or percents and back again
• Understand and calculate unit conversions
• Interpret different kinds of charts and graphs

Video Objective
What is a Percent? Learn the definition of percent and how to identify percentages.
Solve Problems using Percents Understand how to calculate the solution to problems that contain percentages.
Comparing and Ordering Fractions Learn how to discern whether a fraction is greater or less than another and place them in proper order according to relative value.
Solving Problems using Fractions and Mixed Numbers Find the solutions to problems that include both mixed numbers and fractions.
Ordering Decimal Numbers Understand how to determine the relative values of decimals and order them from lowest to highest or vice versa.
Solving Problems using Decimal Numbers Determine the solutions to problems that incorporate decimals.
Changing Between Decimals and Percents Learn how to switch a decimal to a percent and back.
Changing Between Decimals and Fractions Understand how to make a decimal into a fraction and vice versa.
Percentages, Fractions, and Decimals Recognize how to determine which value is greatest among figures in fraction, decimal, and percentage forms.
Unit Conversions Become familiar with what amounts of different units equal each other (such as gallons and quarts).
What Is The Order of Operations? Articulate the different components of the order of operations.
Understanding Bar Graphs and Pie Charts Read and interpret information in pie charts and bar graphs.
Interpretation of Graphical Representations Learn to read and understand values in a line graph.

13 Lessons in Chapter 1: Number Sense
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.
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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