to ensure and re-check your work you use the opposite signs (addition & subtractions, multiplication & division)
e.g.
__= blank
10+ _ = 12
_=2
to check: you take the answer (in this case 12) and subtract (because its the opposite of addition) by the blank you filled in (2 in this case.
therefore, 12-2=10 so we know its correct :-)
Subtraction is used to check addition.
Addition is the opposite of subtraction. For example, 24 - 9 = 15. If you want to check your answer, add 9 + 15. It equals 24, so your answer is correct.
for addition you take the sum and subtract one of the numbers being added from it and for subtraction you add the difference with the second number being subtracted so it equals the first number
d-a-s division-addition-subtraction
Addition is the inverse of Subtraction. Division is the inverse of Multiplication. and then visa-versa. :-) Addition is the inverse of Subtraction. Division is the inverse of Multiplication. and then visa-versa. :-) the Answer is subtraction
You don't. You can check addition with subtraction or subtraction with addition, since subtraction is the opposite of addition. Similary, you can check division with multiplication, or vice versa.
Subtraction is used to check addition.
Addition is the opposite of subtraction. For example, 24 - 9 = 15. If you want to check your answer, add 9 + 15. It equals 24, so your answer is correct.
who discovered addition and subtraction.
Addition is the inverse operation to subtraction.
Addition and subtraction are reverse operations.
definiton of addition and subtraction
Addition and subtraction are inverse functions.
Subtraction is the addition of a negative number.
Subtraction can be seen as the inverse operation to addition.
Addition is a sum and so is subtraction. So there's your answer!
for addition you take the sum and subtract one of the numbers being added from it and for subtraction you add the difference with the second number being subtracted so it equals the first number