If you can use an abacus, is written calculation unnecessary? A complete comparison of written calculation and abacus-style mental arithmetic

This article summarizes the key points of the video below 🔽🧑‍🏫 If you are strongly interested, please watch the full ...

The common way of thinking used by people who are exceptionally fast at mental arithmetic

"Wait, you're already done calculating?"When I see a child who is fast at mental arithmetic, I want to ask them that.I have been creating my own math diagnostic content, and after looking at the ...
The Conversation

Arithmetic has a biological origin – it’s an expression in symbols of the ‘deep structure’ of our perception

Everyone knows that arithmetic is true: 2 + 2 = 4. But surprisingly, we don’t know why it’s true. By stepping outside the box of our usual way of thinking about numbers, my colleagues and I have ...
Phys.org

Psychological study suggests arithmetic is biologically-based and a natural consequence of our perception

Everyone knows that 2 + 2 = 4, but why do we have arithmetic in the first place, and why is it true? Researchers at the University of Canterbury have recently answered these questions by "reverse ...