3 (three)

3-party [three-party]

3/4 (three-fourths)

3/4 (three-quarters)

3D (three-dimensional)

4 (four)

40 (forty)

4th (fourth)

4WD

5 (five)

5-a-side football

5-star [five-star]

5th (fifth)

6 (six)

6th (sixth)

7 (seven)

7-a-side football

70 (seventy)

747

7th (seventh)

8 (eight)

8th (eighth)

9 (nine)

911

a

a

a

a (an)

a (late) night out on the town

a + Expresión Temporal