One sibling has been left scratching their head at their younger brother’s fifth grade math exam.

Those critical questions—which could have been considered at a local architecture firm—were part of just another math assignment in Robbi Berry’s 5th grade class at the Las Cruces, N.M, school.

A seemingly straightforward math problem has sparked a debate online, leaving social media users scratching their heads in confusion.

All those long multiplication tables. Timed tests and “mad minutes” of worksheet problem-solving. Fluency drills. Somehow, getting kids to know their basic math facts continues to be at the ...