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2019

Tuesday, April 23rd, 2019:
We have two new quizzes, called...

These quizzes are all closely related.

Tuesday, April 23rd, 2019:
We have a new quiz, called Parametric Equations 1.

Tuesday, April 16th, 2019:
We have a new quiz, called Logarithms: Contraction.

Sunday, April 14th, 2019:
We updated our game, called Picture Math. A new level was added to the game: very hard. Now, this problem will challenge advanced, upper level high school students and college students.

Thursday, April 11th, 2019:
We have three new quizmasters, called:

Wednesday, April 10th, 2019:
We have a new quizmaster, called Multiplying Matrices.

Tuesday, April 9th, 2019:
We have a new lesson, called Angle Between Two Vectors.

Sunday, April 7th, 2019:
Several quizzes -- again, too many to mention -- were given a facelift.

Saturday, April 6th, 2019:
We remastered a quiz, called Dividing Fractions. This quiz provides more detailed feedback.

Also, several quizzes -- too many to mention -- were adjusted for cosmetic issues.

Friday, April 5th, 2019:
We have a new quizmaster within our series on vectors, called The Angle Between Two Vectors .

Thursday, April 4th, 2019:
We remastered an older quizmaster, called Binomial Theorem: Expansion . It now operates the same no matter the browser. This quizmaster was remastered last because there was a vexing technical hurdle to overcome. Finally, it is done!

Thursday, February 28th, 2019:
We have a new activity, called Confidence Intervals by Formula: MATHguide . This helps students how to use a confidence interval formula by using a video. It addressed Common Core State Standard HSS-IC.B.4.

Tuesday, February 26th, 2019:
We have a new video, called Geometric Sequences . This video helps students follow guided notes in a lesson that targets identifying and working with geometric sequences. The guided notes are available as this activity: Geometric Sequences: Guided Notes. This activity addresses two Common Core State Standards: HSF.BF.A.1.A and HSF.BF.A.2.

Saturday, February 23rd, 2019:
We have a new activity, called Proving the Pythagorean Theorem #2 . This method was invented (discovered?) by President Garfield in 1876.

Thursday, February 21st, 2019:
We have a new lesson, called Solving Trigonometric Equations by Method of Graphing . This is an add on to an existing lesson, but it completes a trifecta of methods.

Saturday, February 2nd, 2019:
We have a new activity, called Tide Problem, which relates to this Common Core State Standard: CCSS.MATH.CONTENT.HSF.TF.B.5 .

Wednesday, January 30th, 2019:
We have a new activity. This activity is a self-guided, asynchronous lesson on chemistry mixture problems. It involves watching a video, answering in-depth questions (higher order thinking), using a TI-Nspire graphing calculator, and utilizing a MATHguide quizmaster.

The activity starts with this video, called Chemistry Video Activity. This written activity follows: Chemistry Video Activity, which relates to this Common Core State Standard: CCSS.MATH.CONTENT.HSA.REI.C.6 .