Home›Amazing Tips›Cool And Simple Math Tricks You Can Learn EasilyAmazing TipsCool And Simple Math Tricks You Can Learn Easily18 April, 2017Leave a comment881 Views The butterfly method for adding and subtracting fractions Multiplying by 11 (example: 11×32) « PreviousNext »Page 2 of 5 ShareFacebookX / TwitterWhatsAppPinterestLinkedInTagsMathematicsMathsTricks