In class 4, a teacher asked the students to add 3476 and 937. A student responded to the question as follows
\(\frac{{\begin{array}{*{20}{c}} {}&3&4&7&6 \\ + &9&3&7&{} \end{array}}}{{\begin{array}{*{20}{c}} 1&2&8&4&6 \end{array}}}\)
The response reflects that the child lacks the
1
Skill of addition
2
Concept of place value
3
Skill of addition by regrouping
4
Concept of order property of addition