[{"question":"Pre\u010do \u013eudia za\u010dali pou\u017e\u00edva\u0165 presn\u00fa a rovnak\u00fa jednotku d\u013a\u017eky?","answers":["Lebo sa im najviac p\u00e1\u010dila d\u013a\u017eka 1 meter.","Lebo chceli pred\u00e1va\u0165 d\u013a\u017ekov\u00e9 meradl\u00e1.","Aby u\u017e nevznikali zm\u00e4tky a podvody.","Aby nemuseli ve\u013ea chodi\u0165, ke\u010f merali v stop\u00e1ch."],"correct":"Aby u\u017e nevznikali zm\u00e4tky a podvody.","order":"1"},{"question":"V ak\u00fdch jednotk\u00e1ch merali kupci d\u013a\u017eku v minulosti?","answers":["v metroch","v stup\u0148och","v kilometroch","v lak\u0165och"],"correct":"v lak\u0165och","order":"2"},{"question":"Ktor\u00e1 jednotka d\u013a\u017eky je z\u00e1kladn\u00e1?","answers":["km","m","cm","lake\u0165"],"correct":"m","order":"3"},{"question":"Ko\u013eko metrov s\u00fa 2 km?","answers":["2000","200","0,02","0,002"],"correct":"2000","order":"4"},{"question":"\u010co mus\u00edme vedie\u0165 o d\u013a\u017ekovom meradle pred t\u00fdm, ne\u017e za\u010dneme mera\u0165?","answers":["\u010ci sa d\u00e1 posklada\u0165.","Kto je jeho majite\u013e.","Akej farby je stupnica.","V ak\u00fdch jednotk\u00e1ch je stupnica."],"correct":"V ak\u00fdch jednotk\u00e1ch je stupnica.","order":"5"},{"question":"Peter meral d\u013a\u017eku stola. Kde urobil chybu?","answers":["Na meranie pou\u017eil zvinovac\u00ed meter.","Za\u010diatok zvinovacieho metra dal presne na za\u010diatok stola.","Pri meran\u00ed bol zvinovac\u00ed meter rovn\u00fd.","Na stupnicu sa d\u00edval zboku."],"correct":"Na stupnicu sa d\u00edval zboku.","order":"6"},{"question":"\u010co je merac\u00ed rozsah d\u013a\u017ekov\u00e9ho meradla?","answers":["polovica d\u013a\u017eky d\u013a\u017ekov\u00e9ho meradla","najv\u00e4\u010d\u0161ia d\u013a\u017eka, ktor\u00fa d\u013a\u017ekov\u00fdm meradlom m\u00f4\u017eeme zmera\u0165","najmen\u0161ia hodnota na stupnici d\u013a\u017ekov\u00e9ho meradla","rozsah 1 dielika stupnice"],"correct":"najv\u00e4\u010d\u0161ia d\u013a\u017eka, ktor\u00fa d\u013a\u017ekov\u00fdm meradlom m\u00f4\u017eeme zmera\u0165","order":"7"},{"question":"Prav\u00edtkom same zmerali d\u013a\u017eku ceruzky 15 centimetrov. Ako to zap\u00ed\u0161eme?","answers":["l = 15 cm","15 cm","l \u2248 15 cm","l = 15 cm"],"correct":"l = 15 cm","order":"8"},{"question":"Merali sme d\u013a\u017eku stola. \u010co znamen\u00e1 z\u00e1pis l\u2248 1,6 m ?","answers":["N\u00e1\u0161 odhad pre d\u013a\u017eku stola bol 1,6 metra.","Zmerali sme d\u013a\u017eku stola 1,6 metra.","N\u00e1\u0161 odhad pre d\u013a\u017eku stola bol 1,6 decimetra.","Zmerali sme d\u013a\u017eku stola 1,6 decimetra."],"correct":"N\u00e1\u0161 odhad pre d\u013a\u017eku stola bol 1,6 metra.","order":"9"},{"question":"Kraj\u010d\u00edrsky meter m\u00e1 stupnicu v centimetroch. Ak\u00fa chybu pri meran\u00ed d\u013a\u017eky rob\u00ed kraj\u010d\u00edrka?","answers":["1 cm","0,5 cm","1,5 cm","nerob\u00ed chybu"],"correct":"0,5 cm","order":"10"}]