Division

Fraction division part I: How do you know when it is division?

Fraction division part I: How do you know when it is division?

By William McCallum and Kristin Umland In her book Knowing and Teaching Elementary Mathematics, Liping Ma wrote about this question and how teachers responded to it: Write a story problem for $1 ¾ \div ½$. [Pause here and think about the answer yourself.] Many people...

read more

to the IM Blog and Newsletter