Omwana w’awereza emyaka 10 aba asobola bulungi okugatta, okwawuza, okukubisa mu namba n’okugabiza namba enzijuvu okutuuka ku digito mukaaga oba musanvu. Wano kati okulambulula namba (factoring numbers), emifunzo (exponents) ne yintegya (kibalira mpuyibbiri) bimwanjulira .Abaana bano era banjulirwa emikutule egyenkanankana (equivalent fractions) n’okubaza emikutule egy’omugattiko (mixed fractions) awamu n’okubaza emikutule mu buli ngeri. Era banjulirwa okubaza emitonnyeze n’okukyusa okuva mu mutonnyeze okuzz mu mukutule.