In this video, I explain how to perform two-digit operations quickly using mental strategies. We'll cover **addition**, ...

These days, large language models can handle increasingly complex tasks, writing complex code and engaging in sophisticated reasoning. But when it comes to four-digit multiplication, a task taught in ...

When my children were in grade school, I never let them do their math homework with calculators. They had to work out the numbers in their head or with pencil and paper. I kept thinking about my ...