Doubling with early fractions March 2, 2013October 21, 2013Posted in fraction strings, open number lineTagged doubling Number String: Doubling 4 x 2 1/4 x 2 1/10 x 2 1/5 x 2 2/5 x 2 4/5 x 2 2 x 7/8 I modeled this on an open number line and by adding fractions. Share this:TwitterFacebookLike this:Like Loading... Related