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2. Numbers 31–100
 Numbers 31–99 follow the same basic pattern as 21–29.
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3. Numbers 101 and higher
 As shown in the chart, Spanish uses a period to indicate thousands
and millions, rather than a comma as used in English.
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4.  Y is used in most numbers from 31 through 99.
Unlike numbers 21–29, these numbers must be
written as three separate words.
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5.  With numbers that end in uno (31, 41, etc.),
uno becomes un before a masculine noun
and una before a feminine noun.
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6.  Cien is used before nouns and in counting.
The words un, una, and uno are never used
before cien in Spanish. Ciento is used for
numbers over one hundred.
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7.  The numbers 200 through 999 agree in
gender with the nouns they modify.
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8.  The word mil, which can mean a thousand
and one thousand, is not usually used in
the plural form when referring to numbers.
Un millón (a million or one million), has
the plural form millones, in which the accent
is dropped.
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9.  ¡Atención! When millón or millones is used
before a noun, the word de is placed between
the two:
1.000.000 de hombres = un millón
de hombres
12.000.000 de aviones = doce millones
de aviones.
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10.  To express a complex number (including
years), string together its component parts.
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11. Provide the Spanish words for these numbers.
1. 7 _____ 5. 0 _____ 9. 23 _____ 13. 12 _____
2. 16 _____ 6. 15 _____ 10. 11 _____ 14. 28 _____
3. 29 _____ 7. 21 _____ 11. 30 _____ 15. 14 _____
4. 1 _____ 8. 9 _____ 12. 4 _____ 16. 10 _____
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12. Give the Spanish equivalent of each number. The first
item has been done for you.
1. 102 ciento dos
__________ 7. 235 __________
2. 5.000.000 __________ 8. 79 __________
3. 201 __________ 9. 113 __________
4. 76 __________ 10. 88 __________
5. 92 __________ 11. 17.123 __________
6. 550.300 __________ 12. 497 __________
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