May Ethical Thinking – Split or Steal

Posted May 15, 2024

Watch THIS VIDEO. Share your thoughts from an ethical perspective. Then consider the mathematical aspect of the player’s choice.

May Math Thinking – Grade 7/8

Posted May 1, 2024

Sitting on a train, Aman looks at the train numbers on his two tickets. If he adds the two numbers he gets 81. One of the numbers is 3 more than the other number. If he multiplies the last two digits of the two numbers what does he get?

May Math Thinking – Grade 3/4

Posted May 1, 2024

Sam, Carla and Sarah spent on afternoon collecting sea shells. Sam collected 11. If we add the number of sea shells collected by Sam and Carla, the total would be 24. If we add the number of sea shells collected by Carla and Sarah, the total would be 25 shells. How many shells did each […]

May Math Thinking – Grade 7/8

Posted May 1, 2024

A camping club took a ten-day camping trip in the mountains. Twelve people signed up for the trip. The club members purchased supplies for the 12 hikers with the understanding that supplies would be divided equally among the twelve on a daily basis. On the morning the hike was to begin 3 additional people joined […]

April Math Thinking – Grade 7/8 – Locker Drama

Posted April 1, 2024

A school with 3400 students has 3400 lockers, all of which are closed. The 3400 students start down the hall one at a time. The first student opens every locker. The second student closes all the lockers that are multiples of 2. The third student changes (closes an open locker or opens a closed one) […]

April Math Thinking: April Fool’s Day Puzzle

Posted April 1, 2024

In the sum pictured above, the digit 1 is still a numeral. However, every other digit has been replaced by a letter. What is the original sum? (This isn’t an April Fool’s Day prank- there is one valid answer to this question!)  

April Math Thinking – Grade 3/4 & 5/6

Posted April 1, 2024

Jenn has half the Webkinz that Mollie has. Allison has 3 times as many as Jenn. Together they have 72. How many Webkinz does each girl have?

April Math Thinking – Grade 7/8

Posted April 1, 2024

Three grade eight Math students were given the following problem: A three-digit number 2A4 is added to 329 and gives 5B3. If 5B3 is divisible by 3, then what is the largest possible value of A? One student thought A could be 1. Another student thought A was 5. The last student thought A was […]

April Math Thinking – Grade 7/8

Posted April 1, 2024

I am thinking of a 6-digit number. The sum of the digits is 43. And only two of the following three statements about the number are true: (1) it’s a square number, (2) it’s a cube number, and (3) the number is under 500000.

Pi Day – March 14

Posted March 14, 2024

Today is Pi Day, try these questions: The Pi Trivia Quiz (Adapted from Eve A. Anderson’s Pi Trivia Game) Here is your chance to ponder the magnificent transcendental number made famous by thousands of irrational mathematicians! Test your knowledge of history! Test your ability to make educated guesses! 1. Who, in 1706, first gave the […]

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