Lesson Twenty-One
Numbers

ones
tens
hundreds
one
two
three
four
five
six
seven
eight
nine
ten
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
one hundred
two hundred
three hundred
four hundred
five hundred
six hundred
seven hundred
eight hundred
nine hundred

Reading numbers above 100:

When reading numbers above 100, read the number in the hundred position, and then the two numbers after it. For example, 125 is read, one hundred twenty-five .

341: three hundred forty-one .

965: nine hundred sixty-five

603: six hundred three.

Ordinal Numbers

number
ordinal number
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
twenty-one
twenty-two
twenty-three
twenty-four
twenty-five
twenty-six
twenty-seven
twenty-eight
twenty-nine
thirty
40. forty

50. fifty

60. sixty

70. seventy

80. eighty

90. ninety

100. hundred

1000. thousand

first
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
eleventh
twelfth
thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth
twentieth
twenty-first
twenty-second
twenty-third
twenty-fourth
twenty-fifth
twenty-sixth
twenty-seventh
twenty-eighth
twenty-ninth
thirtieth
40. fortieth

50. fiftieth

60. sixtieth

70. seventieth

80. eightieth

90. ninetieth

100. hundredth

1000. thousandth

Click here for a quiz. / Here’s the PDF

Next: Lesson 22