One and two agree with the noun. From three to ten the number looks like the opposite gender: שְׁלוֹשָׁה סְפָרִים but שָׁלוֹשׁ בָּנוֹת.
zero
number
one (masculine)
number · masculine
יש לי תפוח אחד.
I have one apple.
one (feminine)
number · feminine
יש לי אחות אחת.
I have one sister.
two (masculine)
number · masculine
two (feminine)
number · feminine
יש שתיים על השולחן.
There are two on the table.
three (masculine)
number · masculine
קניתי שלושה תפוחים.
I bought three apples.
three (feminine)
number · feminine
four (masculine)
number · masculine
four (feminine)
number · feminine
קניתי ארבע חולצות.
I bought four shirts.
five (masculine)
number · masculine
five (feminine)
number · feminine
six (masculine)
number · masculine
six (feminine)
number · feminine
seven (masculine)
number · masculine
seven (feminine)
number · feminine
eight (masculine)
number · masculine
eight (feminine)
number · feminine
nine (masculine)
number · masculine
nine (feminine)
number · feminine
ten (masculine)
number · masculine
ten (feminine)
number · feminine
יש עשר אצבעות.
There are ten fingers.
number
noun · masculine
plural: מִסְפָּרִים
first
adjective · masculine
feminine: רִאשׁוֹנָה
זה היום הראשון.
This is the first day.
second
adjective · masculine
feminine: שְׁנִיָּה
Eleven to nineteen still mark gender. Tens from twenty to ninety do not change; in-between numbers add וְ plus a 1–9 form.
A1 · 22 words