Top tips for multiplying 2 digit numbers ✖️➗➕➖ February 22, 2016 by Natasha | 0 comments This is Top tips for multiplying in 2 digit numbers. 1.Split the number into tens and units 24✖️2 20✖️2 4✖️2. 2. Double the number. 3. Half the number. 4.Multiply by 10 first and then take away.