tag:blogger.com,1999:blog-5255877501892467740.post8979135403532211897..comments2024-03-23T17:12:41.929-04:00Comments on Craft Knife: Writing Really Big Numbersjuliehttp://www.blogger.com/profile/18141123092139829629noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5255877501892467740.post-5141755854495352032013-02-09T18:43:30.203-05:002013-02-09T18:43:30.203-05:00Montessori has a wooden hierarchical material that...Montessori has a wooden hierarchical material that goes from unit to million - the unit is TINY, and the million is decently sized so it's large, but the children can still carry it. <br /><br />Definitely do-able with poster board ;) <br /><br />(found your blog from "We Don't Need No Education" :) )Jessica https://www.blogger.com/profile/07750741589516318310noreply@blogger.com