fifteen
part of speech
number (fifteen, 15); noun (a fifteen, a team of fifteen in rugby union)
meaning for a pupil
1) Fifteen is the number 15: ten and five more, one more than fourteen. tree →
2) A fifteen is a rugby union team, which has fifteen players. tree →
sense in the lessons
In school maths fifteen is used in counting, adding, times tables (3 × 5 and 5 × 3 make 15) and telling time (quarter past is fifteen minutes past the hour). In everyday life the age of fifteen is a teenage age. Phrases: «fifteen minutes», «a quarter of an hour», «fifteen years old».
examples
- Ten plus five is fifteen. tree →
- Three fives make fifteen. tree →
- We waited fifteen minutes for the bus. tree →
- Fifteen minutes is a quarter of an hour. tree →
- My sister is fifteen years old. tree →
- The rugby fifteen won the match. tree →
- Fifteen divided by three is five. tree →
- ‘I am fifteen, and she is twenty.’ tree →
note
Spelled «fifteen», not «fiveteen». Stress: «fif-TEEN» when counting, but «FIF-teen people» before a noun. Do not confuse with «fifty» (50). In maths: 15 = 10 + 5; it is odd; its factors are 1, 3, 5 and 15; fifteen minutes is one quarter of an hour.
Trees and pragmatics
Every meaning and example of «fifteen» parsed by Mova, each sentence with its dependency tree and frames.