00374nam a22001337a 4500003000400000005001700004008004100021020001500062040000700077050002100084100001900105245005700124260005900181OSt20160905123545.0160905b        xxu||||| |||| 00| 0 eng d  a0873534999  cNA  aQA159b.N39 2001  aCarole Greenes  aNavigating Through Algebra in Prekindergarten-Grade2  aUSAbNational Council of Teachers of Mathematicsc2001