Numbers
Numbersare generally used for specifying amounts and in mathe-
matics: addition, subtraction, multiplication, and division. You
have undoubtedly encountered them in many forms. Let’s first
review cardinal numbers:
0 zero 21 twenty-one1 one 22 twenty-two
2 two 30 thirty3 three 40 forty
4 four 50 fifty5 five 60 sixty
6 six 70 seventy7 seven 80 eighty
8 eight 90 ninety9 nine 100 one hundred
10 ten 101 one hundred one11 eleven 102 one hundred two
12 twelve 200 two hundred13 thirteen 500 five hundred
14 fourteen 1,000 one thousand15 fifteen 2,000 two thousand
16 sixteen 10,000 ten thousand17 seventeen 11,000 eleven thousand
18 eighteen 20,000 twenty thousand19 nineteen 100,000 one hundred thousand
20 twenty 111,111 one hundred eleven thousand
one hundred eleven120Unit 24
06 (099-132B) Units 20-25 11/3/04 1:42 PM Page 120
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