| Name the number of... | Number | Extra Info |
| Other Gryffindor boys in Harry's year | |
| Years Nicolas Flamel lived | |
| Children Harry and Ginny had | |
| Children Ron and Hermione had | |
| Children Draco and Astoria Malfoy had | |
| Muggles Sirius Black was accused of murdering at once | |
| Muggles who reported seeing the flying Ford Anglia | |
| The street address of Sirius Black's house | |
| The street address of the Dursleys' house | |
| Balls used in a Quidditch game | |
| Beaters on a Quidditch team | |
| Chasers on a Quidditch team | |
| Players on a Quidditch team | |
| The floor where Fluffy is hidden | |
| Heads Fluffy has | |
| Points earned when the Golden Snitch is caught | |
| Points earned when the Quaffle goes through a goal hoop | |
| Deathly Hallows Voldemort ever had in his possession | |