Question

Which of the following examples is an error of addition by one? A. 7363 + 1535 = 8798 B. 3415 + 2174 = 5589 C. 5167 + 4622 = 9789 D. 2683 + 6215 = 8898

Answer 1

Answer:

(A) and (B)

Step-by-step explanation:

(A) The given example is:

$7363 + 1535$

Adding these two numbers, we get

$8898$

which is an error of addition by one.

Thus, this option is correct.

(B)The given example is:

$3415 + 2174$

Adding these two numbers, we get

$6589$

which is an error of addition by one.

Thus, this option is correct.

(C)The given example is:

$5167+4622$

Adding these two numbers, we get

$9789$

which is not an error of addition by one.

Thus, this option is not correct.

(D) The given example is:

$2683+6215$

Adding these two numbers, we get

$8898$

which is not an error of addition by one.

Thus, this option is not correct.

Answer 2

Answer:

A. 7363 + 1535 = 8798

Step-by-step explanation:

For A, when you add 7363 + 1535, you should get $8898 instead of 8798.

For the person that wrote B as an answer is wrong. B's addition is correct.

Hope this helps :D