Regarding arithmetic for junior high school entrance exams, I sometimes hear things like this.'You won't use things like the crane and turtle calculation once you enter junior high school.''Is there a ...

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 ...

What's the best way for children to learn arithmetic—memorizing number values and multiplication tables, or studying math at a deeper, conceptual level? Educators have long debated the merits of these ...

The material contains a total of 26 columns (A-Z) with 10 exercises for Arithmetic of square roots, including the solutions to these columns. It also includes all 26 columns (A-Z) with an enlarged ...

Barbie caught a lot of flack back in the ’90s for declaring, “Math class is tough!” Today we find ourselves in the disorienting position of defending her. We recently got a note from an anonymous ...

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 ...