Question

Marcos added +12 + -11 and got the answer -1. What error did Marcos make?

He found the difference of the numbers instead of the sum.

He divided the integers.

He chose the incorrect sign for the sum.

He multiplied the integers.


Patricia subtracted +15 - +6 and got the answer +21. What error did Patricia make?

Patricia multiplied the numbers.

Patricia added the numbers without making the sign of the number 6 negative.

Patricia added the numbers and changed the sign of the number 15 instead of the number 6.

Patricia did not make an error: +15 - +6 = +21.

Answer 1

incorect sign and the 2nd one for the next

Answer 2

thanx :)

Answer 3

welcome :D