= Sign
No, this answer shows a "same as" or "balance" understanding of the "=" sign. This is the understanding we would like children to have!
B. 5 + 3 = _6_+ 2
Try again
A. 5 + 3 = _8_+2 ("The answer comes next" (mis)understanding of "=")
C. 5 + 3 = _10_ + 2
D. 5 + 3 = _8_ + 2 = 10