Discovery Education is offering its unitedstreaming video-on-demand service subscribers access to more than 1,000 video clips that have been copyright-cleared by their producers for editing or reproduction by teachers and students in class projects.

Current Discovery subscribers who want access to the editable clips can log onto the unitedstreaming web page and select the box for “editable clips” on the advanced search page.

Here is a look at the available royalty-free videos for mathematics instruction:

• View complete list of videos

• Adventurous World of Algebra, The, Program 1: The Basics
• Adventurous World of Algebra, The, Program 2: Functions
• Adventurous World of Algebra, The, Program 3: Linear Equations
• Adventurous World of Algebra, The, Program 7: Polynomials
• Candy-Coated World of Calculus, The, Program 1: Calculus Basics
• Candy-Coated World of Calculus, The, Program 2: Limits
• Candy-Coated World of Calculus, The, Program 3: Derivatives
• Candy-Coated World of Calculus, The, Program 4: Work-Saving Rules
• Candy-Coated World of Calculus, The, Program 5: Finding Derivatives
• Candy-Coated World of Calculus, The, Program 6: Derivative Applications
• Candy-Coated World of Calculus, The, Program 7: Figuring Out Curves
• Candy-Coated World of Calculus, The, Program 8: Practical Applications
• Candy-Coated World of Calculus, The, Program 9: The Antiderivative
• Dangerous World of Pre-Calculus, The, Program 1: Rational Functions
• Dangerous World of Pre-Calculus, The, Program 2: Graphing Functions
• Dangerous World of Pre-Calculus, The, Program 3: Solving Systems
• Dangerous World of Pre-Calculus, The, Program 4: Exponential Functions
• Dangerous World of Pre-Calculus, The, Program 5: Exponent Applications
• Dangerous World of Pre-Calculus, The, Program 6: Logarithms
• Dangerous World of Pre-Calculus, The, Program 7: Solving Log Equations
• High-Stakes World of Statistics, The, Program 1: The Basics
• High-Stakes World of Statistics, The, Program 2: Distribution Curves
• High-Stakes World of Statistics, The, Program 3: Variability and Standard Deviation
• High-Stakes World of Statistics, The, Program 4: Probability
• High-Stakes World of Statistics, The, Program 5: Random Variables
• High-Stakes World of Statistics, The, Program 6: The Binomial Formula
• High-Stakes World of Statistics, The, Program 7: Working with Distributions
• High-Stakes World of Statistics, The, Program 8: Statistics Tricks
• High-Stakes World of Statistics, The, Program 9: Statistic Error

• Many-Sided World of Geometry, The, Program 1: Geometry Basics
• Many-Sided World of Geometry, The, Program 2: Angles 101
• Many-Sided World of Geometry, The, Program 3: Triangles
• Many-Sided World of Geometry, The, Program 4: Special Triangles
• Many-Sided World of Geometry, The, Program 5: The Pythagorean Theorem
• Many-Sided World of Geometry, The, Program 6: Figuring Out Area
• Math Investigations, Part One
• Math Investigations, Part One
• Math Investigations, Part Two
• Math: Kids and Cash
• Math: Money and Time
• Pumped-Up World of Pre-Algebra, The, Program 1: The Basics
• Pumped-Up World of Pre-Algebra, The, Program 2: Vital Concepts
• Pumped-Up World of Pre-Algebra, The, Program 3: Roots and Rational Numbers
• Pumped-Up World of Pre-Algebra, The, Program 4: Basic Algebra
• Pumped-Up World of Pre-Algebra, The, Program 5: Algebra Equations
• Pumped-Up World of Pre-Algebra, The, Program 6: Using Graphs
• Twisted World of Trigonometry, The, Program 1: The Basics
• Twisted World of Trigonometry, The, Program 2: Trigonometry Functions
• Twisted World of Trigonometry, The, Program 3: Triangles
• Twisted World of Trigonometry, The, Program 4: Graphing Functions
• Twisted World of Trigonometry, The, Program 5: Identities
• Twisted World of Trigonometry, The, Program 6: Angle Formulas
• Understanding: Probability and Odds
• Zany World of Basic Math, The, Module 1: Integers and Addition
• Zany World of Basic Math, The, Module 10: Ratios and Percents
• Zany World of Basic Math, The, Module 2: Subtracting Integers
• Zany World of Basic Math, The, Module 3: Multiplying Integers
• Zany World of Basic Math, The, Module 4: Dividing Integers
• Zany World of Basic Math, The, Module 5: Integer Grab Bag
• Zany World of Basic Math, The, Module 6: Working with Decimals
• Zany World of Basic Math, The, Module 7: Fraction Basics
• Zany World of Basic Math, The, Module 8: Adding and Subtracting Fractions
• Zany World of Basic Math, The, Module 9: Multiplying and Dividing Fractions