A Quick Look at Math History by Margaret Lorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr **Lifted from Glenna Tabor en-us 2022-08-03 14:43:40 UTC 2026-03-09 21:55:09 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/893180062/b62a89d2d508eb203bd3d1d8a7d99586/x_y_axis_at_teacher_table.JPG 1800-1600 BCE Math Tablet margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254211145 2022-08-03 14:57:04 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254211145 1200 Abacus margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254212020 2022-08-03 14:58:09 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254212020 1837: Froebel's Maneuverable Gifts margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254214365 Friedrich Froebel]]> 2022-08-03 15:01:32 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254214365 1906: Independent Discovery - Montessori Math margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254216756 2022-08-03 15:05:42 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254216756 1950s-1970s: New Math & Open Education Movement margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254218474 2022-08-03 15:08:22 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254218474 1980: A Nation at Risk Report margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254219184 2022-08-03 15:09:13 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254219184 1989: NCTM Standards Published margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254220006 Called for the use of manipulatives]]> 2022-08-03 15:10:25 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254220006 2002: Virtual Math Manipulatives Defined margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254220848 Patricia Moyer]]> 2022-08-03 15:11:24 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254220848 2017: CPA to CPVA margielorimer https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254221550 Enrique Ortiz, University of Central Florida]]> 2022-08-03 15:12:17 UTC https://padlet.com/margielorimer/9rq98zuy2s85tnfr/wish/2254221550