Updated: Jun 15, 2020
You might think that counting in Hebrew is hard, but actually it's very simple once you get the hang of it, watch this short video to get some background knowledge before we start:
Masculine Numbers
1 - (echad) אֶחָד
2 - (shnayim) שְׁנַיִם
3 - (shlosha) שְׁלֹשָׁה
4 - (arba'a) אַרְבָּעָה
5 - (chamisha) חֲמִשָּׁה
6 - (shisha) שִׁשָּׁה
7 - (shiv'a) שִׁבְעָה
8 - (shmona) שְׁמוֹנָה
9 - (tish'a) תִּשְׁעָה
10 - (assara) עֲשָׂרָה
11 - (achad-'asar) אֲחַד-עָשָׂר
12 - (shneyim-'asar) שְׁנֵים-עָשָׂר
13 - (shlosha-'asar) שְׁלֹשָה-עָשָׂר
14 - (arba'a-'asar) אַרְבָּעָה-עָשָׂר
15 - (chamisha-'asar) חֲמִשָּׁה-עָשָׂר
16 - (shisha-'asar) שִׁשָּׁה-עָשָׂר
17 - (shiv'a-'asar) שִׁבְעָה-עָשָׂר
18 - (shmona-'asar) שְׁמוֹנָה-עָשָׂר
19 - (tish'a-'asar) תִּשְׁעָה-עָשָׂר
Feminine Numbers
1 - (achat) אַחַת
2 - (shtayim) שְׁתַּיִם
3 - (shalosh) שָׁלֹשׁ
4 - (arba) אַרְבַּע
5 - (chamesh) חָמֵשׁ
6 - (shesh) שֵׁשׁ
7 - (sheva') שֶׁבַע
8 - (shmone) שְׁמוֹנֶה
9 - (tesha') תֵּשַׁע
10 - ('eser) עֶשֶׂר
11 - (achat-'esre) אֲחַת-עֶשְׂרֵה
12 - (shteyim-'esre) שְׁתֵּים-עֶשְׂרֵה
13 - (shlosh-'esre) שְׁלֹשׁ-עֶשְׂרֵה
14 - (arba'-'esre) אַרְבַּע-עֶשְׂרֵה
15 - (chamesh-'esre) חֲמֵשׁ-עֶשְׂרֵה
16 - (shesh-'esre) שֵׁש-עֶשְׂרֵה
17 - (shva'-'esre) שְׁבַע-עֶשְׂרֵה
18 - (shmone-'esre) שְמוֹנֶה-עֶשְׂרֵה
19 - (tesha'-'esre) תְּשַׁע-עֶשְׂרֵה
General
0 - (efes) אֶפֶס
20 - ('esrim) עֶשְׂרִים
30 - (shloshim) שְׁלֹשִׁים
40 - (arba'im) אַרְבָּעִים
50 - (chamishim) חֲמִשִּׁים
60 - (shishim) שִׁשִּׁים
70 - (shiv'im) שִׁבְעִים
80 - (shmonim) שְׁמוֹנִים
90 - (tish'im) תִּשְׁעִים