A student of class- (iii) is said to multiply two-digit numbers by a 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