= Sign
No, this answer shows thinking that doesn't show understanding that the position of the "+" and "=" signs affect the problem. This shows an "adding all" interpretation of the equation.
C. 5 + 3 = _10_ + 2
Try again
A. 5 + 3 = _8_+2 ("The answer comes next" (mis)understanding of "=")
B. 5 + 3 = _6_+ 2
D. 5 + 3 = _8_ + 2 = 10