Found on YouTube: How to Multiply 2 numbers when unit digit is 5 #math #mathsatyourfingertips #multiply

How to Multiply 2 numbers when unit digit is 5 #math #mathsatyourfingertips #multiply
Maths at Your Fingertips
How to Multiply 2 numbers when unit digit is 5 and difference in numbers is 10 #math #mathsatyourfingertips #multiplication.
https://www.youtube.com/watch?v=78we76Dxw_g