
Available for download Mathematical Questions and Solutions, Volume XVIII. The PISA survey questions are presented here in 'unit form'. PISA items in What is the estimate of their sales volume for July if the same negative trend continues? Code 1: A solution from 8 to 9 years is provided with adequate (mathematical) Code 0: Other responses. Code 9: Missing. PISA 2012 Released Items. 18 We have found 51 NRICH Mathematical resources connected to Volume and capacity, you may Broad Topics > Measuring and calculating with units > Volume and capacity. Problem icon. Pouring Problem Age 16 to 18 Challenge Level. T