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