Scientific American

Math Puzzle: Count the Signs

A version of this puzzle originally appeared in the October 1960 issue of Scientific American.

Grade school math problem leaves people dumbfounded: Can you get the correct answer in 30 seconds?

Can you solve the elementary school problem that divided the internet in less than 30 seconds? Test your might in this ...

4 Wausau elementary schools 'met few expectations' on DPI report cards

Here's how the Wausau School District performed in 2024-25 on Wisconsin Department of Public Instruction report cards.

2 Wisconsin Rapids schools 'met few expectations' on DPI report cards

Here's how Wisconsin Rapids Schools performed in 2024-25 on Wisconsin Department of Public Instruction report cards.

Alberta grade 6 math scores tumble 3 years into new curriculum

Nearly half of Alberta’s Grade 6 students failed the provincewide math test in 2024, three years after the province started rolling out its new elementary school curriculum.