This story appeared in Spider (April 2009), a children's magazine of stories, poems, and activities selected for children aged 6-9. It is part of the Cricket group.

Cricket Magazine Group
publishes a number of children's magazines for different age groups and interests.

You can also read this story in a Kindle book titled SHORT STORIES, BIG LAUGHS, a collection of 16 funny stories and poems originally published in Spider.

"How Winston Lost His Math Homework"

  Winston did his math homework. Really. It's just that--when he blew his bubblegum into a gigantic bubble, he didn't notice his homework sticking to the bubble as it floated out the window.
  Well, actually he did notice it, but not until the bubble was on its way to Mr. Drinkwater on a ladder......

Selected Works

a story in Highlights
a story in Spider Magazine
also in Kindle book: