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# Holt McDougal Mathematics Course 3

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### Use the table below to find videos, mobile apps, worksheets and lessons that supplement Holt McDougal Mathematics Course 3.

 Apps Videos Practice Now Chapter 1: Principles of Algebra Lesson 1: Evaluating Algebraic Expressions apps videocam create Lesson 2: Writing Algebraic Expressions apps videocam create Lesson 3: Properties of Numbers apps videocam create Lesson 4: Integers and Absolute Value apps videocam create Lesson 5: Adding Integers apps videocam create Lesson 6: Subtracting Integers apps videocam create Lesson 7: Multiplying and Dividing Integers apps videocam create Lesson 8: Solving Equations by Adding or Subtracting apps videocam create Lesson 9: Solving Equations by Multiplying or Dividing apps videocam create Lesson 10: Introduction to Inequalities apps videocam create Chapter 2: Rational Numbers Lesson 1: Rational Numbers apps videocam create Lesson 2: Comparing and Ordering Rational Numbers apps videocam create Lesson 3: Adding and Subtracting Rational Numbers apps videocam create Lesson 4: Multiplying Rational Numbers apps videocam create Lesson 5: Dividing Rational Numbers apps videocam create Lesson 6: Adding and Subtracting with Unlike Denominators apps videocam create Lesson 7: Solving Equations with Rational Numbers apps videocam create Lesson 8: Solving Two-Step Equations apps videocam create Chapter 3: Graphs and Functions Lesson 1: Ordered Pairs apps videocam create Lesson 2: Graphing on a Coordinate Plane apps videocam create Lesson 3: Interpreting Graphs apps videocam create Lesson 4: Functions apps videocam create Lesson 5: Equations, Tables, and Graphs apps videocam create Chapter 4: Exponents and Roots Lesson 1: Exponents apps videocam create Lesson 2: Integer Exponents apps videocam create Lesson 3: Properties of Exponents apps videocam create Lesson 4: Scientific Notation apps videocam create Lesson 5: Squares and Square Roots apps videocam create Lesson 6: Estimating Square Roots apps videocam create Lesson 7: The Real Numbers apps videocam create Lesson 8: Applying the Pythagorean Theorem and Its Converse apps videocam create Chapter 5: Ratios, Proportions, and Similarity Lesson 1: Ratios and Proportions apps videocam create Lesson 2: Ratios, Rates, and Unit Rates apps videocam create Lesson 3: Dimensional Analysis apps videocam create Lesson 4: Solving Proportions apps videocam create Lesson 5: Similar Figures apps videocam create Lesson 6: Dilations apps videocam create Lesson 7: Indirect Measurement apps videocam create Lesson 8: Scale Drawings and Scale Models apps videocam create Chapter 6: Percents Lesson 1: Relating Decimals, Fractions, and Percents apps videocam create Lesson 2: Estimating with Percents apps videocam create Lesson 3: Finding Percents apps videocam create Lesson 4: Finding a Number When the Percent is Known apps videocam create Lesson 5: Percent Increase and Decrease apps videocam create Lesson 6: Applications of Percents apps videocam create Lesson 7: Simple Interest apps videocam create Chapter 7: Foundations of Geometry Lesson 1: Angle Relationships apps videocam create Lesson 2: Parallel and Perpendicular Lines apps videocam create Lesson 3: Triangles apps videocam create Lesson 4: Polygons apps videocam create Lesson 5: Coordinate Geometry apps videocam create Lesson 6: Congruence apps videocam create Lesson 7: Transformations apps videocam create Lesson 8: Symmetry apps videocam create Chapter 8: Perimeter, Area, and Volume Lesson 1: Perimeter and Area of Rectangles & Parallelograms apps videocam create Lesson 2: Perimeter and Area of Triangles and Trapezoids apps videocam create Lesson 3: Circles apps videocam create Lesson 4: Three-Dimensional Figures apps videocam create Lesson 5: Volume of Prisms and Cylinders apps videocam create Lesson 6: Volume of Pyramids and Cones apps videocam create Lesson 7: Surface Area of Prisms and Cylinders apps videocam create Lesson 8: Surface Area of Pyramids and Cones apps videocam create Lesson 9: Spheres apps videocam create Lesson 10: Scaling Three-Dimensional Figures apps videocam create Chapter 9: Data and Statistics Lesson 1: Samples and Surveys apps videocam create Lesson 2: Identifying Sampleing Errors and Bias apps videocam create Lesson 3: Organizing Data apps videocam create Lesson 4: Measures of Central Tendency apps videocam create Lesson 5: Variability apps videocam create Lesson 6: Displaying Data apps videocam create Lesson 7: Analyzing Data Displays apps videocam create Lesson 8: Misleading Graphs and Statistics apps videocam create Lesson 9: Scatter Plots apps videocam create Lesson 10: Choosing the Best Representation of Data apps videocam create Chapter 10: Probability Lesson 1: Probability apps videocam create Lesson 2: Experimental Probability apps videocam create Lesson 3: Theoretical Probability apps videocam create Lesson 4: Independent and Dependent Events apps videocam create Lesson 5: Making Decisions and Predictions apps videocam create Lesson 6: The Fundamental Counting Principle apps videocam create Lesson 7: Permutations and Combinations apps videocam create Chapter 11: Multi-Step Equations and Inequalities Lesson 1: Simplifying Algebraic Expressions apps videocam create Lesson 2: Solving Multi-Step Equations apps videocam create Lesson 3: Solving Equations with Variables on Both Sides apps videocam create Lesson 4: Solving Inequalities by Multiplying or Dividing apps videocam create Lesson 5: Solving Multi-Step Inequalities apps videocam create Lesson 6: Systems of Equations apps videocam create Chapter 12: Graphing Lines Lesson 1: Graphing Linear Equations apps videocam create Lesson 2: Slope of a Line apps videocam create Lesson 3: Using Slopes and Intercepts apps videocam create Lesson 4: Point-Slope Form apps videocam create Lesson 5: Direct Variation apps videocam create Lesson 6: Graphing Inequalities in Two Variables apps videocam create Lesson 7: Solving Systems of Linear Equations by Graphing apps videocam create Chapter 13: Sequences and Functions Lesson 1: Terms of Arithmetic Sequences apps videocam create Lesson 2: Terms of Geometric Sequences apps videocam create Lesson 3: Other Sequences apps videocam create Lesson 4: Linear Functions apps videocam create Lesson 5: Exponential Functions apps videocam create Lesson 6: Quadratic Functions apps videocam create Lesson 7: Inverse Variation apps videocam create Chapter 14: Polynomials Lesson 1: Polynomials apps videocam create Lesson 2: Simplifying Polynomials apps videocam create Lesson 3: Adding Polynomials apps videocam create Lesson 4: Subtracting Polynomials apps videocam create Lesson 5: Multiplying Polynomials by Monomials apps videocam create Lesson 6: Multiplying Binomials apps videocam create
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