Add Yahoo as a preferred source to see more of our stories on Google. Aug. 20—I stared at the last question on my daughter's first-grade math homework as if doing so until my eyes grew callouses would ...

Understanding the gap between how today's parents learned math and how their children are being taught, and how to work with ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The sassy note a child left on his math homework has left the internet ...