A student of class 3 is said to multiply two digit numbers by one digit number.
37 × 4 = ?
He performed the multiplication in the following way -
30 × 4 = 120
7 × 4 = 28
120 + 28 = 148
Which one of the following strategies of multiplication is used by the student?
1
Factoring
2
Quantifying
3
Partitioning
4
None of the above