To Count
transitive verb, ichidan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means count, so obviously the verb version is to count.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
You begin to count vocabulary words. You're out of control and you can't stop. One after another. Scientists have to come in, but they can't figure out the cause (かぞ) of your counting. They drag you away to a padded cell where they keep testing you trying to figure out the cause of your craziness.
人を数える
to count the number of people
回数を数える
to count the number of times
数を数える
to count
父は毎日夜になるとベッドの中で羊を数える。
My father counts sheep in bed every night.
前回のデートでは、二人で青空に見える風船を数えた。
On our last date, we counted the balloons we could see in the blue sky together.
先生はその時教室にいた学生の数を数えました。
The teacher counted the number of students in the classroom at the time.