The number of points is how many points there are (aka the score).
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
to improve one's score
to get a score
The score this time was 100 points.
My younger brother didn't tell me his test score.
My older sister suggested that I give my teacher some donuts to raise my math score.