a b 0 Let a b be an unknown two digit number. a is in 10’s position and b is in 1’s position a b 1 1 a b a a+b b Multiplication of a two-digit number 11 +
+ a b 0 a b 1 1 a b a a+b b a b ba+ba Paper & pencilMental math
Multiplication of a two-digit number 11 a b ba+ba Mental math 6 2 11 = 6 8 2
Multiplication of a two-digit number 11 a b ba+ba Mental math 6 2 11 = 11 =
Multiplication of a two-digit number 11 a b ba+ba Mental math 6 2 11 = 11 =
Multiplication of a two-digit number 11 a b ba+ba Mental math 6 2 11 = 11 = 429