Sara VanDerWerf
@saravdwerf
Passionate about encouraging & connecting mathematics teachers. Math Consultant with VanDerWerf Educational Consulting. Curator of a calculator museum.
25-04-2012 19:40:38
9,9K Tweets
17,7K Followers
2,1K Following
@saravdwerf
Passionate about encouraging & connecting mathematics teachers. Math Consultant with VanDerWerf Educational Consulting. Curator of a calculator museum.
25-04-2012 19:40:38
9,9K Tweets
17,7K Followers
2,1K Following