Dan Meyer@ddmeyer·Apr 18, 2015Hold on. MT @AbiLeaf Kamii just said it again: "Don't show children how to do ANY math problem." #NCTMBoston51629
Andy Matuschak@andy_matuschakReplying to @ddmeyer@ddmeyer @AbiLeaf Her book, Young Children Reinvent Arithmetic, is a really lovely expansion of those ideas!2:32 PM · Apr 18, 2015·Twitter for iPhone1 Retweet2 Likes
