Multiplying any number by 25, 125, 625.

Multiplying any number by

25, 125 and 625.

Multiply by 25

a) 62 x 25

Just put two zeros on 62 to get 6200 and divide it by 4

as 6200 / 4    =  1550

Hence 62 x 25 = 1550

b) 98 x 25

Just put two zeros on 98 to get 9800 and then divide it by 4

as 9800 / 4   =  2450

Multiply by 125

a) 62 x 125

Just put three zeros on 62 to get 62000 then divide it by 8

as 62 x 125   =  62000 / 8   =  7750

b) 98 x 125

Just put three zeros on 98 then divide it by 8

as 98 x 125  =  98000 / 8    =   12250

Multiply by 625.

a) 62 x 625

Just put four zeros on 62 to get 620000 then divide it by 8.

As  62 x 625  = 620000 / 16  = 38750