Problem of the Week: 12-06-18: Math Test [Combinatorics]
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Problem of the Week: 11-29-18: Find their Birthdays [Algebra]
Check out this Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution: Video: Sorry guys, the woman was born in 1983 not 1973. I'm still living in 2008. The solution above is correct,
Problem of the Week: 11-21-18 Thanksgiving Banquet
Happy Thanksgiving! Solution: Video: Edit: At 2:25, the inequality is between five hundred and *SIX HUNDRED* not 16 :)
Problem of the Week 11-15-18: Harry Potter Currency [Arithmetic]
Tomorrow marks 17 years since Harry Potter and the Sorcerer's Stone was released in theaters. Obviously we needed to do a Harry Potter themed Problem of the Week. Does Hogwarts teach math? Solution Video:
Problem of the Week: 11-08-18: Prove Pasch’s Postulate as a Theorem [Geometry]
Happy 175th birthday Moritz Pasch! The German mathematician was born on November 8, 1843. Pasch specialized in the foundations of geometry. He is best remembered for Pasch's axiom, which he discovered in 1882. Although axioms do not require proofs, in this week's problem we celebrate Pasch's birthday by- you guessed it- proving Pasch's axiom. Why? Because proofs are FUN . Solution: Video:
Problem of the Week: 11-01-18: Election Exit Polls [Probability]
Midterm elections are just around the corner. Don't forget to go out and VOTE! In the meantime, give this election-edition problem a try! Solution Video
Problem of the Week: 10-25-18: Halloween Monster Party [Logic Puzzle]
Halloween is less than a week away! Celebrate early with this Halloween themed Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution: Video:
Problem of the Week: 10-18-18: Prove that the Fraction is Irreducible [Number Theory]
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Problem of the Week: 10-11-18: Baseball Bet [Probability]
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Problem of the Week: 10-04-18: Arc Length [Calculus]
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Problem of the Week: 09-27-18: Comparing Numbers [Inequalities]
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Problem of the Week: 09-20-18: Separation of Variables [Differential Equations]
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Problem of the Week: 09-13-18: Two Independent Events [Probability]
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Problem of the Week: 09-06-18: Solving Linear Congruence using Fermat's Little Theorem [Number Theory]
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Problem of the Week 08-30-18: Solving Equation for Variables [Algebra]
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Problem of the Week 08-09-18: Logarithmic Differentiation [Calculus]
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Problem of the Week 8-02-18: Double Integral [Calculus]
Check out this Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below: Video: * Edit: there is not suppose to be a constant of integration at the end since this is a definite integral.
Problem of the Week 7-19-18: Invertible Matrix [Linear Algebra]
Check out this Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below: Video: *Note: In the video, k 2 - 1 - 6( k - 1) reduces to k 2 - 6 k + 5 NOT k 2 - 6 k - 5
Problem of the Week 7-10-18: A Functional Equation on Nonnegative Integers [Functional Equations]
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Problem of the Week 7-3-18: Invariant Sums of Digits [Number Theory]
Check out this Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video