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 Click HERE for all update years. 2017 Wednesday, December 27th, 2017: We have a new quiz, called Adding & Subtracting Fractions. Tuesday, December 26th, 2017: We have two new quizzes, called: Thursday, December 21st, 2017: We have a new lesson, called Adding and Subtracting Fractions. Wednesday, December 20th, 2017: We have two new lessons... Tuesday, December 19th, 2017: We have a new lesson, called Reducing Fractions. Monday, December 18th, 2017: We have a new lesson, called Graphing Logarithmic Functions. Sunday, December 17th, 2017: We have a new lesson, called Translating Exponential Functions. Sunday, December 10th, 2017: We have two updates: Saturday, December 9th, 2017: We have two updates: Lesson: Calculating Value Over Time2 Video: Calculating Value Over Time Wednesday, December 6th, 2017: We have a new lesson, called Calculating Value Over Time. Saturday, December 2nd, 2017: We have a new quiz, called Calculating Value Over Time 2. Tuesday, November 28th, 2017: We have a new quiz, called Calculating Value Over Time. Sunday, November 26th, 2017: We have a new video, called Solving Radical Equations. Friday, November 24th, 2017: We have a new video, called Solving Radical Equations 2. Wednesday, November 22nd, 2017: We have a new video, called Equation of Ellipse Given Foci and Vertices. Wednesday, November 15th, 2017: We have two new updates: Lesson: Simplifying Radicals Quiz: Simplifying Radicals Monday, November 13th, 2017: We have a new video, called Simplifying Radical Expressions. Sunday, November 12th, 2017: We have a new quiz, called Change the Base. This quizmaster requires the user to know the Power to a Power Rule. Saturday, November 11th, 2017: We have a new lesson, called Solving Radical Equations. Thursday, November 9th, 2017: We have a new lesson, called Power Rules for Exponents. Tuesday, November 7th, 2017: We have a new quiz, called Solving Radical Equations. This is a shortened version of our same quiz, which was released October 29th. Saturday, November 4th, 2017: We have a new quiz, called Power Rules for Exponents. This quizmaster assesses students knowledge of six different power rules with randomly generated numbers in random rule order. Wednesday, November 1st, 2017: We have a new quiz, called Solving Radical Equations 2 with Help. Sunday, October 29th, 2017: We have a new quiz, called Solving Radical Equations with Help. Thursday, October 26th, 2017: We have a new quiz, called Solving Linear Equations 2 with Help. This is a three-step linear equation and the quizmaster provides meaningful feedback throughout the entire problem. Wednesday, October 25th, 2017: We have a new quiz, called Solving Linear Equations with Help. Tuesday, October 24th, 2017: We a new quiz, called Proportions 2 with Help. This is a modification of our Proportions 2 quiz and it offers a considerable amount of feedback to the student. Saturday, October 21st, 2017: We have two new quizzes, called Factoring Simple Quadratics with Help and Factoring a Difference of Two Squares with Help. Thursday, October 19th, 2017: We have a new quiz, called Proportions 3. This is the third quiz in a series on proportions. It is also an advanced level problem that involves quadratic equations, which can be factored. Wednesday, October 18th, 2017: We have a new quiz, called Proportions 2. This is more advanced than our previous quizmaster on proportions (see Oct. 10th, 2017). Monday, October 16th, 2017: We have a new quiz, called Reducing Fractions. Saturday, October 14th, 2017: We have a new quiz, called Solving 3x3 Systems of Equations. Thursday, October 12th, 2017: We have a new quiz, called Dividing Rational Expressions. Tuesday, October 10th, 2017: We have a new quiz, called Proportions. Thursday, October 5th, 2017: We have a new quiz, called Multiplying Rational Expressions. Monday, October 2nd, 2017: We have a new quiz, called Factoring the GCF. Friday, September 29th, 2017: We have a new quiz, called Domain and Range. Wednesday, September 20th, 2017: We have a new quiz, called Complex Numbers: Division. Thursday, September 14th, 2017: We have an updated lesson, called End Behavior. It now has several new sections and a graphic organizer. Wednesday, September 13th, 2017: We have a new quiz, called Polynomial Tables. Saturday, September 9th, 2017: We have a new quiz, called End Behavior 2. Thursday, September 7th, 2017: We have a new quiz, called Synthetic Division. Friday, August 11th, 2017: We have a new lesson, called Percent Word Problems. Thursday, August 10th, 2017: We have a new quiz, called Percent Word Problems. Wednesday, August 9th, 2017: We have two new updates to report. Lesson: Order of Operations Quiz: Order of Operations. Tuesday, August 8th, 2017: We have a new game, called Tic-Tac-Addition. Friday, July 13th, 2017: We have two updates. Quiz: Solving Literal Equations Lesson: Literal Equations Wednesday, July 12th, 2017: We have a new quiz, called Solving the Gas Law Relation. Tuesday, July 11th, 2017: We have two new updates to report. Lesson: Solving Inequalities Quiz: Solving Quadratic Inequalities Friday, June 30th, 2017: We have two new quizzes, called: Thursday, June 29th, 2017: We have a new quiz, called Symmetry Check. Tuesday, June 28th, 2017: We have two new quizzes. Monday, June 27th, 2017: We have a new quiz, called Function or Not a Function. Saturday, June 24th, 2017: We have a new quiz, called Parent Functions by Function. Friday, June 23rd, 2017: We have a new quiz, called Parent Functions by Name. Tuesday, June 20th, 2017: We have two new lessons, called Sigma Notation: Arithmetic Series and Sigma Notation: Geometric Series. Monday, June 19th, 2017: We have a new lesson, called Sigma Notation. Thursday, June 15th, 2017: We have a new quiz, called Sigma Notation: Arithmetic Series. Wednesday, June 14th, 2017: We have a new quiz, called Sigma Notation: Arithmetic or Geometric. Friday, May, 26th, 2017: We have two new lessons, called Limits of Piecewise Functions and Limits: Numerical Approach. Saturday, May 20th, 2017: We have two events to report: New lesson, called Limits of Ratios of Polynomials Remastered quiz, called Complex Numbers: Modulus Wednesday, May 18th, 2017: We remastered a quiz, called Complex Numbers: Powers of i. Tuesday, May 17th, 2017: We remastered a quiz, called End Behavior. Monday, May 16th, 2017: We have a new lesson, called Limits of the Extreme. Thursday, May, 4th, 2017: We remastered a quiz, called Binomial Theorem: Term. Sunday, April 30th, 2017: We have a new quiz, called Limits: Piecewise Functions. Friday, April 14th, 2017: We have a new lesson and two quizzes, called: Lesson: Unit Vectors Quiz: Unit Vectors Quiz: Vectors: Direction Monday, April 10th, 2017: We have a new video and a lesson, called Vector Projection and Vector Projection, respectively. Thursday, April 6th, 2017: We have a new video, called Vector Dot Product. Wednesday, April 5th, 2017: We have a new quiz, called Vectors: Projection. Tuesday, April 4th, 2017: We have two new quizzes, called Vectors: Dot Product and Vectors: Dot Product 2. Sunday, April 2nd, 2017: We have a new lesson, called Dot Product of Vectors. Saturday, April 1st, 2017: We have a new lesson, called Engineering Notation (Vectors). Thursday, March 30th, 2017: We have a new lesson, called Partial Fraction Decomposition. Monday, March 27th, 2017: We have a new quiz, called Partial Fraction Decomposition. Sunday, March 26th, 2017: We have a new quiz, called Inverse Matrices. Thursday, March 23rd, 2017: We have a new lesson, called The Inverse of a Matrix. Monday, March 20th, 2017: We have a new video, called The Multiplicative Inverse of a Matrix. Saturday, March 18th, 2017: We have a new quiz, called Law of Sines: Ambiguous Case (SSA). Thursday, March 16th, 2017: We have a new quiz, called The Unit Circle: Angles. Tuesday, March 14th, 2017: We have a new quiz, called The Unit Circle: Ratios. Saturday, March 11th, 2017: We have a new quiz, called Vectors: Horizontal and Vertical Components. Thursday, March 9th, 2017: We have a new quiz, called Counting: Town Maps and Grids Problems. Tuesday, March 7th, 2017: We have a new quiz, called Counting: Scrambled Letters Problems. Monday, March 6th, 2017: We have a new quiz, called Counting: Bookshelf Problems. Wednesday, March 1st, 2017: We have a new quiz, called Counting: Seating People Problems. Tuesday, February 28th, 2017: We have a new lesson, called Solving Trigonometric Equations. It houses two very important videos that we made last year. Also, our lesson on Factoring Polynomials (formerly called Factoring Quadratic Trinomials) was overhauled. Sunday, February 26th, 2017: We have a new video, called Counting: Card Deck Problems. Saturday, February 25th, 2017: We have a new video, called Probability: Marble Bag Problems. Tuesday, February 21st, 2017: We have a new video, called Probability of Rolling Dice. Saturday, February 18th, 2017: We have a new video, called Law of Sines: Ambiguous Case (SSA). Wednesday, February 15th, 2017: We have a new video, called Counting: Election Problems. Monday, February 13th, 2017: We have a new video, called Counting: Number of Possible Paths on a Grid (Map). Saturday, February 11th, 2017: We have a new video, called Counting: Books on a Shelf Problems. Thursday, February 9th, 2017: We have a new video, called Counting: Seating People Problems. Tuesday, February 7th, 2017: We have a new video, called Counting: Scrambled Letters, Numbers, Objects. Monday, February 6th, 2017: We have a new video, called Verifying Trigonometric Identities. Saturday, February 4th, 2017: We have a new video, called Counting: Horse Problems. Thursday, February 2nd, 2017: We have a new video, called Counting: Tickets Problems. Tueday, January 31st, 2017: We have a new video, called The Fundamental Counting Principle: License Plate Problems. Monday, January 30th, 2017: We have a new video, called The Fundamental Counting Principle: Clothes Problems. Saturday, January 28th, 2017: All of our trigonometry lessons, quizzes, and videos have been lumped together within their own section on our Lessons page. Sunday, January 15th, 2017: A quiz called Graphs of Sinusoids to Equations was remastered. Friday, January 13th, 2017: A quiz called Three Step Equations: Type 2 was remastered. Wednesday, January 11th, 2017: The quiz called Three Step Equations: Type 1 was remastered. Also, adjustments were made to the lessons page. A link was missing to a quiz, called Area of a Regular Polygon.