March Math Thinking – Gr. 5/6

Posted March 1, 2024

Codey has asked three friends to pick up some food on their way from school to his treehouse. At three different stores he has paid for and set aside one item, and he has given his friends instructions to pick these items up using the following flow chart. (a) Raj leaves school first, then Bharti, […]

February Math Thinking – Gr. 3/4

Posted February 1, 2024

  Follow these steps: Step 1: Pick two different three-digit numbers. Label the larger number A and the smaller number B. Step 2: Subtract B from 999 and label the difference C. Step 3: Add A and C and label the sum D. Step 4: Subtract 1000 from D and label the difference E. Step […]

January Math Thinking – Gr. 5/6

Posted January 1, 2024

  Driving home from a meeting late one evening, Ming notices that her gas gauge is showing that a mere 1/10 of a tank remains. Luckily, just then she spots a 24-hour gas station. She has just enough money to add 20 litres of gas to the tank, bringing her gas tank up to 1/2 […]

January Math Thinking – Gr. 7/8

Posted January 1, 2024

Pavak, Rachit, and Sana arrived at a party at three different times. They each brought one of their favourite snacks to share with the other two (one brought pretzels; one brought cookies; one brought licorice), and their favourite game (one brought jacks; one brought dominoes; one brought cards). We know a few other facts: 1. […]

January Math Thinking – Gr. 3/4

Posted January 1, 2024

I am a five-digit number made of the digits 0, 3, 4, 6, and 9. In my number, the following are true. • The digit 4 is in a position whose place value is 10 times the place value of the position of the digit 9 and 100 times the place value of the position […]

December Math Thinking – Gr. 3/4

Posted December 1, 2023

Robbie wants to get a puppy, so he decides to help pay the costs. He wants to donate $60 to the animal shelter he gets the puppy from, and he needs to contribute $10 every month to help buy the puppy’s food. (a) How much money does Robbie need to help pay the cost of […]

December Math Thinking – Gr. 7/8

Posted December 1, 2023

Four different positive integers have a mean (average) of 100. If the positive difference between the smallest and largest of these integers is as large as possible, determine the average of the other two integers.

December Math Thinking – Gr. 5/6

Posted December 1, 2023

A Superball is a special kind of ball that will always bounce to half of the height from which it fell. Supposing that it is dropped from a building that is 128 m tall, answer the following questions. (a) How high will it bounce after it hits the ground for the third time? (b) How […]

November Math Thinking – Gr. 5/6

Posted November 1, 2023

The Puzzler is the world’s latest superhero. He uses his immense brain to win all battles by solving a series of math problems. He needs your help to solve the following problems. Use a calculator to help when needed. (a) The numbers 3, 5, and 7 are three consecutive odd numbers that have a sum […]

November Math Thinking – Gr. 3/4

Posted November 1, 2023

Jody and Jillian are building a patio beside their house. They have square patio stones that have sides with a length of 50 cm. They have a total 75 patio stones available. To build the patio, they place the patio stones so that two stones next to each other are touching and their sides are […]

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