randRange(0,2) randFromArray([1,10,100]) Zeg in gedachten het rijtje eenheden.
kilometer - hectometer - decameter - meter - decimeter - centimeter - millimeter km, hm, dam, m, dm, cm, mm → randFromArray([ ["kilometer","km","hectometer","hm",10,"tien","1 plaats naar rechts"], ["hectometer","hm","decameter","dam",10,"tien","1 plaats naar rechts"], ["decameter","dam","meter","m",10,"tien","1 plaats naar rechts"], ["kilometer","km","hectometer","hm",10,"tien","1 plaats naar rechts"], ["hectometer","hm","decameter","dam",10,"tien","1 plaats naar rechts"], ["decameter","dam","meter","m",10,"tien","1 plaats naar rechts"], ["meter","m","decimeter","dm",10,"tien","1 plaats naar rechts"], ["decimeter","dm","centimeter","cm",10,"tien","1 plaats naar rechts"], ["centimeter","cm","millimeter","mm",10,"tien","1 plaats naar rechts"], ["kilometer","km","decameter","dam",100,"honderd","2 plaatsen naar rechts"], ["hectometer","hm","meter","m",100,"honderd","2 plaatsen naar rechts"], ["decameter","dam","decimeter","dm",100,"honderd","2 plaatsen naar rechts"], ["kilometer","km","decameter","dam",100,"honderd","2 plaatsen naar rechts"], ["hectometer","hm","meter","m",100,"honderd","2 plaatsen naar rechts"], ["decameter","dam","decimeter","dm",100,"honderd","2 plaatsen naar rechts"], ["meter","m","centimeter","cm",100,"honderd","2 plaatsen naar rechts"], ["decimeter","dm","millimeter","mm",100,"honderd","2 plaatsen naar rechts"]]) roundTo(deciN,tens*Math.random()) roundTo(deciN,getalLinks*eenhedenA[4]) deciNaarKommaS(getalLinks) deciNaarKommaS(getalRechts)

getalLinksS eenhedenA[1] = ... eenhedenA[3]

getalRechts

rijtje
kortRijtje

eenhedenA[1] pijl eenhedenA[3] ( eenhedenA[6] )

Komma eenhedenA[6].

getalLinksS eenhedenA[1] = getalRechtsS eenhedenA[3]