01199nam 2200397 450 991053798040332120200520144314.01-4258-9587-5(CKB)3710000000551887(MiAaPQ)EBC5881939(Au-PeEL)EBL5881939(OCoLC)1114967879(EXLCZ)99371000000055188720190926d2014 uy 0engurcnu||||||||txtrdacontentcrdamediacrrdacarrierEssential math skills over 250 activities to develop deep uderstanding /author, Bob SornsonHuntington Beach, California :Shell Education,[2014]©20141 online resource (170 pages) illustrations1-4258-1211-2 MathematicsStudy and teaching (Primary)Electronic books.MathematicsStudy and teaching (Primary)372.7Sornson Robert1155439MiAaPQMiAaPQMiAaPQBOOK9910537980403321Essential math skills2725062UNINA