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 ...

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

Ellis showed a subtraction problem, performed both using the traditional regrouping, or borrow-and-carry, algorithm and using an example from the common core. Here’s a screenshot of the two methods.

Children's solutions to simple addition and subtraction word problems were studied in a 3-year longitudinal study that followed 88 children from Grades 1 through 3. The children were able to solve the ...

Norman Powell and James Harden aren’t worried about how the Clippers will move forward without Paul George.

We may see addition or subtraction as simple, but it requires different parts of our brain to store information and understand order.

The New York Rangers are adding to their roster by subtracting from it with their recent moves.

TOKYO -- A team of scientists in Japan recently announced the discovery of nerve cells that strongly respond to addition and subtraction in the brains of monkeys.

Trading Kristaps Porzingis was addition by subtraction for the Boston Celtics as his production on the hardwood did not match his salary.

Non-Gaussian continuous variable operations are demonstrated for the first time at telecommunications wavelengths. Squeezed states were generated using a titanium superconducting sensor that can ...