1 (one)
2 (two)
3 (three)
4 (four)
5 (five)
6 (six)
7 (seven)
8 (eight)
9 (nine)
10 (ten)
11 (eleven)
12 (twelve)
13 (thirteen)
14 (fourteen)
15 (fifteen)
16 (sixteen)
17 (seventeen)
18 (eighteen)
19 (nineteen)
20 (twenty)
21 (twenty-one)
30 (thirty)
40 (fourty)
50 (fifty)
60 (sixty)
70 (seventy)
80 (eighty)
90 (ninety)
100 (one hundred)
101 (one hundred and one)
1,000 (one thousand)
10,000 (ten thousand)
100,000 (one hundred thousand)
1,000,000 (one million)

x (times/multiplied by)
-  (minus)
÷ (divided by)
+ (plus)
= (equals)