During the 2 year OAME Grade 9 Applied Project much attention was paid to the use of rich tasks in the classroom. The participants shared many of the tasks that they used with their own students with each other. Some of these tasks have been compiled here.
The Painted Cube
How many squares would be shaded around the border of a 6 x 6 grid?
What about a 100 x 100 grid?
Download Border Problem pdf
The border problem
Boaler & Humphreys, 2005
For a detailed lesson plan visited A collection of Math Lessons
A farmer has 36 individual lengths of fence. Each is 1 m long. What is the smallest area that can be enclosed using all 36 fences?
What is the biggest area that can be enclosed?
Adapted from "Experiencing School Mathematics", Boaler, 1997
In this problem students are asked:
For Act 2 and 3 visit Dan Meyer's activity online.
adapted from Dr. Liljedahl
Tug of war
Tug of War #1: 4 frogs on one side had a tie with 5 fairy godmothers on the other side.
Tug of War #2: 1 dragon had a tie with 2 fairy godmothers and 1 frog.
Tug of War #3: 1 dragon and 3 fairy godmothers on one side and 4 frogs on the other side.
Who would win Tug of War #3?
Tug of War