A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...

Solving arithmetic problems, even simple subtractions, involves mental representations whose influence remains to be clarified. Visualizing these representations would enable us to better understand ...

A simple arithmetic problem has left internet users scratching their heads - with only a few landing on the correct solution to this elementary school-level equation. While most people learned the ...