▁there ▁is ▁not ▁enough ▁home work , ▁and ▁children ▁should ▁simply ▁be ▁given ▁a ▁procedure ▁and ▁told ▁to ▁practice ▁it ▁on ▁a ▁large ▁number ▁of ▁exer cis es . ▁ ▁Non - trad itional ▁materials ▁and ▁content ▁ ▁Student ▁materials ▁included ▁in ▁the ▁ 2 0 0 2 ▁Gra de ▁ 5 ▁package ▁for ▁T ER C ▁Investig ations : ▁ 4 ▁roll s ▁of ▁adding ▁machine ▁t ape ; ▁ 3 6 ▁blank ▁ 5 / 8 " ▁cub es ; ▁ 1 , 0 0 0 ▁stick ers ▁for ▁blank ▁cub es ; ▁ 2 0 0 ▁ 1 - cm ▁cub es ; ▁ 1 6 ▁transparent ▁blank ▁sp inners ; ▁ 4 ▁ 4 5 0 - pie ce ▁sets ▁of ▁power ▁pol yg ons ; ▁ 4 ▁bu ckets ▁of ▁square ▁color ▁t iles ▁( 4 0 0 ▁per ▁bucket ); ▁ 1 , 0 0 0 ▁S nap ( TM ) ▁cub es ; ▁ 1 ▁set ▁of ▁elementary ▁bar ▁mass ▁set - O haus ; ▁ 4 ▁graduated ▁meas uring ▁pr isms ▁( 2 - cm ▁x ▁ 5 - cm ▁x ▁ 2 1 - cm ); ▁ 4 - liter ▁meas uring ▁pitch er ▁( cal ibr ated ▁ 1 0 0 ▁m l ▁- ▁ 1 , 0 0 0 ▁m l ); ▁ 4 ▁spectrum ▁school ▁balance ▁( includes ▁ 7 - pie ce ▁mass ▁set ); ▁ 4 ▁sets ▁standard ▁meas uring ▁pitch ers ▁( 3 ▁pitch ers : ▁quart ,