Thursday, April 20, 2017

October 2016: Stud, Con-verse, Tangent, Planet of the Apes

(from October 27, 2016)

"Imaginary Figures"

Friendly ghosts...

(from October 20, 2016)

"Planet of the Eights"

Find the weekly math comic at




(from October 18, 2016)

"Venn Diagram and Probability"

The Venn diagram represents students at an academy.

What is the probability of randomly selecting a 2-sport athlete.


(from October 14, 2017)

"The Con-Verse"

(from October 8, 2016)

"Linear Equation Question"

What is the x-intercept of line ?


(from October 6, 2016)


(from October 3, 2016)

"Perfect Square Integers"

ANSWER and more math questions....

(from October 1, 2016)

"5-Card Stud"

Saturday, April 15, 2017

September 2016: Rotation of Axes, Geometry humor, curves, Harmonic Series, Linear Programming

(from September 25, 2016)

"Exponents and Series question"

ANSWER and other math questions..

(from September 22, 2016)

"Linear Programming"

Find the weekly math comic at




(from September 19, 2016)

"Rectangle dimension restrictions"

ANSWER and other 1-variable inequalities 

(from September 15, 2016)

"Harmonic Series"

(from September 11, 2016)

"Calculus: Derivatives, Tangents, and Point of Inflection"

What is the equation of the line tangent to the curve at the point of inflection?

ANSWER and other calculus derivatives questions

(from September 7, 2016)

"Rotation of Axes at the Amusement Park"

(from September 1, 2016)

"Bad Math Riddle"

Friday, February 17, 2017

August 2016: Tequila, 4 hats, back 2 school, and spinning wheels

(from August 31, 2016)

"Spinning Wheels"

If wheel A makes 10 revolutions, then how many revolutions will wheel C make?

ANSWER and other math questions are in the spare parts section at

(from August 25, 2016)


(from August 23, 2016)

"4 hats for 4 gentlemen"


(from August 20, 2016)

"Back 2 School"

Find the weekly math comic at

and math content at mathplane express...

(from August 17, 2016)

"Partial Hexagon"

The figure is a regular hexagon with side length 8.
Can you find the measure of the shaded area?


(from August 14, 2016)

"Regrettable Nicknames"


(from August 3, 2106)

"Work-Rate Problem"

The answer is here

More updated mathplane content at Facebook






Friday, January 6, 2017

July 2016: Abstract Art, Poker, and Jerry Maguire

(from July 25, 2016)

"Jerry Maguire"

"Show me the one e!"

(from July 18, 2016)

"Trapezoid Coordinates"

If the area of the trapezoid is 53 square units, what is the coordinate (a, b)?

(***Topic for discussion: is there more than one solution?!??!)


(from July 14, 2016)

"Poker Game"

Follow the weekly math cartoon at

(from July 3, 2016)

"Abstract Art"

(from July 1, 2016)

"Norway Airport (Pascal) Triangle"

This was spotted on the Oslo airport wall... Is this a pattern?
If so, what is it? (I can't figure it out...)

Friday, December 2, 2016

June 2016: Pert, Pascal's Triangle, Sequences...

(from June 27, 2016)

"A simple progression"

Given these 3 consecutive terms from an arithmetic sequence, what is ?  What are the 3 terms?
3x + 4, 4+ 3, 6- 2

SOLUTION and more math questions..

(from June 24, 2016)

"Pascal's Triangle"

Find the weekly cartoon at

or at the facebook page

or at the google + page

or on pinterest

(from June 3, 2016)


Wednesday, October 19, 2016

May 2016: Eyes, i-tunes, bookworms, and credit cards

(from May 28, 2016)


(from May 21, 2016)

"Math Optometrist"

A Dilation Pupil....

Find the math guy's weekly sketch at

(from May 16, 2016)

"Bookworm question"

This (book) worm climbs up a wall at a rate of 5 feet per day. But, at night -- while it rests -- it slips back down 3 feet.
How many days will it take the worm to reach the top of a 30-foot wall?

ANSWER and other math questions in the spare parts section...

(from May 13, 2016)

"Inscribed and Tangent Figures"

(from May 9, 2016)

"Counting Digits"


(from May 5, 2016)

"Extra Credit Card"

(from May 1, 2016)

"Hiker Question"

A hiker walked around a circle. Then, he walked 10 feet further and walked around another circle.
If the total distance he walked was 2000 feet, what is the radius of the inner circle?


Friday, October 7, 2016

April 2016: Mad Libs, Frustrums, Passover, and the Sixth Sense

(from April 28, 2016)

"The Sixth Sense"

(from April 26, 2016)

"Quick Polynomial Question"


(from April 21, 2016)

"4 Questions and Passover"

Find the math guy's weekly comic at

also, at Facebook

Google+ and


(from April 19, 2016)

"Probability and Dice"

A gambling parlor has a pair of "fair" dice where the probability of rolling a '6' with each die is 1/6...
And, the parlor has a pair of "weighted" dice where the probability of rolling a '6' with each die is 1/4...
Suppose you pick up a pair of dice and roll double sixes (12). What is the probability that you selected the "weighted" dice?
(and, the answer is not 1/2!!)

Solution and other probability questions.

(from April 13, 2016)


(from April 10, 2016)

"Hoops and Trig"

Two players stand on a basketball court.

The angles of elevation from the foot of each player to the 10' high basket are 40 and 50 degrees.
What is the distance between the players?


(from April 6, 2016)

"Mad Libs"

(from April 1, 2016)

"Distance Rate question"

Easy distance/rate question....
Two planes depart at the same time...
Plane A leaves NY and flies at 400 MILES PER HOUR toward LA.
Plane B leaves LA and flies at 450 MILES PER HOUR - thanks to a tailwind - toward NY.
(Assuming NY and LA are 2500 miles apart,) when the planes meet, is Plane A or B closer to NY?


(Happy April fool's Day!)