割(わ)り算(ざん)

割(わ)り算(ざん) is composed of 割(わ)る (to divide) + 算(さん) (calculation). Used mainly in math education and everyday arithmetic.

How to read division

• 12割(わ)る3は4: 12 divided by 3 is 4
• The verb 割(わ)る is used for "divided by"

Four basic operations

• 足(た)し算(ざん): addition (+)
• 引(ひ)き算(ざん): subtraction (−)
• 掛(か)け算(ざん): multiplication (×)
• 割(わ)り算(ざん): division (÷)

Related words

• 割(わ)り切(き)れる: divisible (no remainder)
• 割(わ)り切(き)れない: indivisible; also figuratively "hard to accept"
• 余(あま)り: remainder