Add Yahoo as a preferred source to see more of our stories on Google. A new calculator helps you decide how many Halloween treats to buy. What size candy should you hand out? Does it need to be candy ...

Sheri-Lynn Skwarchuk receives funding from the Social Sciences and Humanities Research Council. She is also a board member at Oak Street Nursery School and the Project Director of the ToyBox project.

Elementary math teacher uses candy hearts to teach students how to make estimates. HAMILTON — Ali Richard, gifted math teacher at Riverview and Highland elementary schools, has come up with a sweet ...