Search Results for Trevor Calkins SirsiDynix Enterprise https://library.epsb.ca/client/en_US/gol/gol/qu$003dTrevor$002bCalkins$0026ps$003d300? 2025-02-27T14:38:47Z Power of ten : adding and subtracting. ent://SD_ILS/0/SD_ILS:1388214 2025-02-27T14:38:47Z 2025-02-27T14:38:47Z By&#160;Trevor Calkins<br/>Format&#160;Books<br/>2002<br/>Call #&#160;TS MA<br/> Power of ten : teacher manual. ent://SD_ILS/0/SD_ILS:1393255 2025-02-27T14:38:47Z 2025-02-27T14:38:47Z By&#160;Trevor Calkin<br/>Format&#160;Books<br/>2007&#160;1900-1999<br/>Call #&#160;TS MA<br/> Power of ten : multiplying and dividing. ent://SD_ILS/0/SD_ILS:1392668 2025-02-27T14:38:47Z 2025-02-27T14:38:47Z By&#160;Trevor Calkin<br/>Format&#160;Books<br/>2001&#160;1900-1999<br/>Call #&#160;TS MA<br/>