The present paper describes the success, the methods (mental, informal written, standard algorithm) and the strategies of informal written arithmetic to be observed when 300 elementary students worked ...

A learning/teaching approach used base-ten blocks to embody the English named-value system of number words and digit cards to embody the positional base-ten system of numeration. Steps in addition and ...

Students put all of their addition and subtraction skills together to solve equations.

And while honeybees can't yet write out Einstein's general theory of relativity, new evidence suggests the clever little pollinators can perform simple addition and subtraction after a few math ...

Relating addition and subtraction and playing the game BUMP; counting down.

Milton Bradley Company Description From the 1950s, particularly after the launch of the Sputnik satellite in 1958, American mathematicians and mathematics educators introduced a variety of reforms in ...

Now that you've learned to do basic math in Excel, your calculations will never slow you down again. With addition, subtraction, multiplication, and division at your fingertips, Excel can become ...

The confusion (likely intentional) boiled down to a discrepancy between the math rules used in grade school and in high school.

In subtraction too, children learn by practical experience. They learn that removing a particular number of things from a group always leaves the same number of things. And again, this helps them ...