| http://www.w3.org/ns/prov#value | - Cambridge, Massachusetts 02140 There are several views of curriculum that we, as mathematics educators, often encounter. (In this essay, we refers to the group at TERC that has been working through these ideas while developing the K-5 curriculum, Investigations in Number, Data, and Space.) One is that teachers, especially elementary teachers, are so under-prepared in mathematics that the curricu
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