割(わ)り算(ざん)

わりざん
noun
division
1. division (mathematical operation)
The mathematical operation of dividing one number by another.
割(わ)り算(ざん)を習(なら)う。
To learn division.
12割(わ)る3は4だ。
12 divided by 3 is 4.
割(わ)り算(ざん)で割合(わりあい)を計算(けいさん)する。
To calculate the ratio using division.

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 TERMS:

  • 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

Related Words

Antonym: 掛(か)け算(ざん) (multiplication)
Related: 足(た)し算(ざん) (addition)
Related: 引(ひ)き算(ざん) (subtraction)
general
Added 2026.1.16 14:20 · Revised 2026.4.14 12:00
05000/05335_warizan