(いっこ)ずつ

いっこずつ
adverb
one by one; one at a time
1. one by one; one at a time; one each
Indicates doing or distributing something one unit at a time. The counter 個 is used for small, discrete objects.
菓子(かし)一個(いっこ)ずつ(くば)る。
To hand out sweets one each.
(たまご)一個(いっこ)ずつ()って()れてください。
Please crack and add the eggs one at a time.
問題(もんだい)一個(いっこ)ずつ片付(かたづ)けていけば、いつか全部(ぜんぶ)()わる。
If you tackle the problems one by one, you'll eventually finish them all.

一個(いっこ)ずつ means 'one at a time' or 'one each,' using the versatile counter () for small, discrete objects.

PATTERN:

Part of the ~ずつ pattern, which attaches to a quantity to mean 'each' or 'at a time.' The same structure works with other counters:

  • 一人(ひとり)ずつ (one person at a time)
  • 一枚(いちまい)ずつ (one sheet at a time)
  • 一本(いっぽん)ずつ (one [long object] at a time)
  • (すこ)しずつ (little by little)

USAGE:

  • Very common in everyday speech because () is a general-purpose counter for small objects
  • Often used for distributing items: お菓子(かし)一個(いっこ)ずつ(くば)る (hand out sweets one each)
  • Also used for doing things methodically: 問題(もんだい)一個(いっこ)ずつ()く (solve problems one at a time)