足し算 たしざん addition N1 #14,124 Meanings noun, mathematics addition Its kanji 足 ソク · あし、た.りる、た.る、た.す leg, foot, be sufficient, counter for pairs of footwear 算 サン · そろ calculate, divining, number, abacus, probability In sentences Furigana 彼かれは、足たし算ざんが速はやい。 He is quick at addition. #115441 ５＋１０の足たし算ざんはやさしい。 It is easy to add 5 to 10. #235192