A ratio compares the frequency of one value for a variable with another value for the variable. The first value identified in a ratio must be to the left of the colon (:) and the second value must be to the right of the colon (1st value : 2nd value).
The Canadian two-dollar coin, commonly called the toonie, is the most valuable of the frequently used Canadian coins. It was introduced on February 19, 1996, by Public Works minister Diane Marleau.
In the 1860s a round rubber ball was used instead of a puck. There's a story that during a certain Canadian game the balls would fly out of the rink so often that the manager of the rink sliced the top and bottom off the ball to make it more manageable. Some sources date the year as 1872.