Mandarin · Chapter 7 · Lesson 21 · Measure words
Measure words: the starter set
Every counted noun needs its counting word, and 个 alone will not carry you. Match the nouns you already know to 件, 位, 份 and friends - tap the right chip, no typing.
Measure-word drill
Match the noun to its measure word
Three round shapes, mixed: pick a noun's measure word, pick a measure word's job, and pick the word that does a job. Tap the right chip - no typing, ever. Miss one and it comes back round before the end.
Why measure words exist, the core dozen, and the nouns people actually argue about - the classifiers article has the whole picture.
Read the classifiers article