Monday, August 22, 2016

March 2016: March Madness, St. Patrick's Day, and the Twilight Zone

(from March 29, 2016)

"Pyramid Schemes"

(from March 24, 2016)

"Math Notation Puzzle"

An exercise for Algebra 2, Trigonometry, and Pre-Calculus students...


(from March 22, 2016)


Follow the weekly math comic at 

the mathplane home




(from March 21, 2016)

"Rhombus Height"

The diagonals of a rhombus are 6 and 8.
What is the height?


(from March 12, 2016)

"Pi and St. Patrick's Celebration"

(from March 7, 2016)

"Circles and Arc Length Question"

ANSWER and other geometry questions at the mathplane site..

(from March 3, 2016)

"The i-light Zone"

Friday, August 19, 2016

February 2016: A Few Good Men, Awards, Schoolhouse Rock, and boiling eggs

(from February 28th, 2016)

Logarithm Question


(from February 25, 2016)

"I Conic Figure"

(from February 18, 2016)

"Schoolhouse Rock"

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Google +


(from February 14)

"A Math Gift Wrapped"

Inside a rectangular box, there is a 4 kilogram gift for my friend.
If the dimensions of the box are .05 decameters by 1 meter by 80 centimeters, then how many square meters of paper will I need to wrap the box?

(from February 11th, 2016)

"A Teacher's Pet"

A doggone minute in the classroom....

(from February 3, 2016)

"A Few Good Math Students"

(from February 1, 2016)

"9-minute egg riddle"

You're a cook at a restaurant in a quaint town where clocks do not exist.
You have a 4-minute hourglass timer, a 7-minute hourglass timer, and a pot of boiling water.
A regular customer orders a 9-minute egg, and you know this person to be extremely picky -- disappointed if you overcook or undercook the egg, even by a few seconds!
Can you prepare the egg in exactly 9 minutes (using the hourglasses)?

SOLUTION and more math questions in the spare parts section at mathplane

Friday, June 17, 2016

January 2016: Gauss, Proofs, Peace, Money, Football and the wheel

(from January 27, 2016)

"Re-inventing the Wheel"

(from January 24, 2016)

"Woodpecker math question"

A woodpecker is perched up against a 20-foot pole, pecking away!

Eventually, it chips away enough of the wood that the pole cracks, buckles, and folds over: the top of the pole landing on the ground 12 feet from the bottom of the pole.
Undeterred, it stands on the top and continues pecking away!
How high off the ground is the woodpecker?

ANSWER and more questions at the mathplane site

(from January 21, 2016)

"Football x's and o's"

Combining physical Ed and Math Departments...

(from January 17, 2016)

"$end More Money"

If each letter represents a unique number between 0 and 9, how much money?


Find more math questions at the

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(from January 12, 2016)


(from January 7, 2016)

"Flawed Proof"

If  a  =  b,  then  2 = 1 ???

What is wrong with this proof?

(from January 2, 2016)

"Gauss Jeans"

Friday, April 8, 2016

December 2015: Spelling Bees, Roulette, Inequality, Oscar

(from December 23, 2015)

"Math Sadness"

Oscar (4/00 - 12/15) -- RIP

(from December 18, 2015)


Find the math guy's weekly comic at

Also, at Facebook, Google+, and Pinterest

(from December 15, 2015)

"Concentric Circles"

Given: 2 concentric circles. The chord of the outer circle is tangent to the inner circle.
If the length of the chord is 70 units, what is the shaded area (i.e. the ring)?


(from December 10, 2015)

"Roulette in Heaven"

where the probability of winning is 1...

(from December 3, 2015)

"Math Spelling Bee"

Check out mathplane  tutoring resources at 

TeachersPayTeachers  and teaching content at TES

Sunday, January 24, 2016

November 2015: Unhappy Hour, 13, Birthdays, and IOU

(from November 29, 2015)

"Sequence Quick Question"


(from November 25, 2015)

"Debt and Lending (in the math world)"

(from November 23, 2015)

"Angle Fan"

Can you find the sum of the angles?


(from November 19, 2015)

"Vector Birthday Party"

Follow the weekly math comic at 

mathplane home page




(from November 16, 2015)

"Algebra Question"


Find more math questions in the spare parts section at

(from November 13, 2015)

"13 on a Friday"

A Superstitious Figure!

(From November 5, 2015)

"Bottles of Beer on the Wall"

(from November 2, 2015)

"Average Rate of Change" -  Topic for discussion

Friday, January 8, 2016

October 2015: Focus Group, The Late Show, Tetris, Lunch, and Dracula

(from October 29, 2015)

"Horror-ible Teacher"

Happy Halloween!

(from October 23, 2015)

"Out to Lunch"

Linear Systems..

Find the weekly math comic at

Also, at Google+, Pinterest, and Facebook...

(from October 20, 2015)

"Composite Trig Question"

Check out the solution...  And, find more inverse trig questions..

(from October 15, 2015)

"Video Games"

(from October 8, 2015)

"Ten's Top Dave List"

Check out teaching resources from mathplane at TeachersPayTeachers 

And, other math lessons at TES....

(from October 4, 2015)

"Multiplication Logic Puzzle"

What are A, B, C, D, and E?   

Answer and more math questions!

(from October 1, 2015)

"Focus Group"

Monday, November 30, 2015

September 2015: Caesar, Calculus, Functions, and Golf

(from September 23, 2015)

"Sports Injuries"

Another Hole in One...

(from September 21, 2015)

"Letters to Numbers"

If A, B, C, D, and E are consecutive integers, what are they?

2 answers

Algebraic solution

(from September 17, 2015)

"Integration: Buy Parts"

Find the weekly math comic at

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(from September 10, 2015)

"Even, Odd, & Neither"

(from September 7, 2015)

"Triple Absolute Values"

Can you find the solution(s)?


Find mathplane lessons, practice tests, and math resources at 

teacherspayteachers and tes

(from September 4, 2015)

"Veni, Vidi, Vici"

When learning math is a battle!

(from September 1, 2015)

"Exponents Express Exercise"