Video Tutorials for Basic College Mathematics

Chapter 1: Whole Numbers

1.1 Introduction to Whole Numbers 23|31|39|51|61|69 
1.2 Addition of Whole Numbers 13|21|45|55|57|94 
1.3 Subtraction of Whole Numbers 29|53|65|85|91 
1.4 Rounding and Estimating 17|31|33|42|49-51 
1.5 Multiplication of Whole Numbers 13|17|27|67|79|85 
1.6 Division of Whole Numbers 13|17|61|77|91 
1.7 Exponents and the Order of Operations 13|65|83|92 
1.8 Problem Solving Strategies 17|21|33|47|57 

Chapter 2: Fractions and Mixed Numbers: Multiplication and Division
2.1 Introduction to Fractions and Mixed Numbers 5|21|27|39|93 
2.2 Prime Numbers and Factorization 13|27|39|57|69|79 
2.3 Reducing Fractions to Lowest Terms 10|20|41|59|69 
2.4 Multiplication of Fractions and Applications 9|31|62|72|80|85 
2.5 Division of Fractions and Applications 13|29|41|73|83 
2.6 Multiplication and Division of Mixed Numbers 17|43|57|65|73 

Chapter 3: Fractions and Mixed Numbers: Addition and Subtraction
3.1 Addition and Subtraction of Like Fractions 21|37|57|65|73 
3.2 Least Common Multiple 9|31|39|45 
3.3 Addition and Subtraction of Unlike Fractions 21|25|33|61|69 
3.4 Addition and Subtraction of Mixed Numbers 35|55|59|86 
3.5 Order of Operations and Applications of Fractions 25|31|39|47|57 

Chapter 4: Decimals
4.1 Decimal Notation and Rounding 35|51|71|81 
4.2 Addition and Subtraction of Decimals 21|31|55|59 
4.3 Multiplication of Decimals 35|43|63|85 
4.4 Division of Decimals 21|29|53 
4.5 Fractions and Decimals 29|37|57|81 
4.6 Order of Operations and Applications of Decimals 11|25|31|39 

Chapter 5: Ratio and Proportion
5.1 Ratios 11|19|31|37|49 
5.2 Rates 13|23|35|45|49 
5.3 Proportions 17|29|49|61|65 
5.4 Applications of Proportions and Similar Figures 13|17|23|29|39 

Chapter 6: Percents
6.1 Percents and Their Fraction and Decimal Forms 11|17|49|57|79 
6.2 Fractions and Decimals and Their Percent Forms 33|41|51|59 
6.3 Percent Proportions and Applications 35|45|55|63 
6.4 Percent Equations and Applications 23|31|49|55 
6.5 Applications Involving Sales Tax, Commission, Discount, and Markup 19|33|47|63 
6.6 Percent Increase and Decrease 21|23|29 
6.7 Simple and Compound Interest 13|17|31 

Chapter 7: Measurement
7.1 Converting U.S. Customary Units of Length 35|41|55|65|73 
7.2 Converting U.S. Customary Units of Time, Weight, and Capacity 27|43|61|67 
7.3 Metric Units of Length 21|39|53|61 
7.4 Metric Units of Weight and Capacity 27|59|75|89 
7.5 Converting Between U.S. Customary and Metric Units 23|33|39|64 
7.6 Energy and Power (Optional) 9|15|39|54 

Chapter 8: Geometry
8.1 Lines and Angles 27|37|59|85 
8.2 Triangles and the Pythagorean Theorem 13|59|65|67 
8.3 Quadrilaterals, Perimeter, and Area 23|35|39|53 
8.4 Circles, Circumference, and Area 31|39|43|49 
8.5 Volume 15|25|29|33 

Chapter 9: Introduction to Statistics
9.1 Tables, Bar Graphs, Pictographs, and Line Graphs 15|17|21|37 
9.2 Frequency Distributions and Histograms 9|21|25|29 
9.3 Circle, Circumference, and Area 21|23|33|35 
9.4 Mean, Median, and Mode 15|27|35|41 
9.5 Introduction to Probability 11|15|21|40 

Chapter 10: Real Numbers
10.1 Real Numbers and the Real Number Line 3|17|51|103 
10.2 Addition of Real Numbers 11|25|79|89 
10.3 Subtraction of Real Numbers 25|47|75|85 
10.4 Multiplication and Division of Real Numbers 27|51|73|89 
10.5 Order of Operations and Scientific Notation 23|37|57|89 

Chapter 11: Solving Equations
11.1 Properties of Real Numbers 15a|35|87 
11.2 Simplifying Expressions 9|23|43|77 
11.3 Addition and Subtraction Properties of Equality 13|33|49|57 
11.4 Multiplication and Division Properties of Equality 21|25|31 
11.5 Solving Equations with Multiple Steps 11|25|33|43 
11.6 Applications and Problem Solving 15|19|33|41 
11.7 Rectangular Coordinate System (Optional) 23|29|57|59