The dictional can be found at

Try this one instead

pizarra - black board

pedazo - piece or bit

tiza - chalk

Probably a piece of red chalk

cuaderno - notebook (qua-ther-no)

pluma - pen

pupitre - desk

libro - book (lee-bro)

escritorio - writing desk (es-cri-tho-rio)

puerta - door (pu-er-tha)

mesa - table, desk (not meesa but mess-ah)

lapiz - pencil