Math Mastery Q2

The numbers that are being added is called?

The answer in addition is called?

It means to add numbers in your head without writing down any steps or notes as part of the calculation.

The inverse of addition

The number from which we subtract. It is the biggest number in the subtraction sentence.

The number being subtracted is called?

The result or answer in subtraction.

It is done when finding the exact answers is not necessary

It is done by expanding the given addends before adding them

It is finding a number that is closest to the exact difference