1 - first (1st)
2 – second (2nd)
3 – third (3rd)
4 - fourth (4th)
5 – fifth (5th)
6 – sixth (6th)
7 – seventh (7th)
8 - eighth (8th)
9 – ninth (9th)
10 – tenth (10th)
11 – eleventh (11th)
12 – twelfth (12th)
13 – thirteenth (13th)
14 – fourteenth (14th)
15 – fifteenth (15th)
16 – sixteenth (16th)
17 – seventeenth (17th)
18 – eighteenth (18th)
19 – nineteenth (19th)
20 – twentieth (20th)
21 - twenty-first (21st)
22 – twenty-second (22nd)
23 - twenty-third (23rd)
24 – twenty-fourth (24th)
25 - twenty-fifth (25th)
26 - twenty-sixth (26th)
27 – twenty-seventh (27th)
28 - twenty-eighth (28th)
29 - twenty-ninth (29th)
30 – thirtieth (30th)
31 - thirty-first (31st)​

Объяснение:

The Egyptian Science and Engineering Olympiad is a national science and engineering fair and Olympiad for schools. The Program focuses on improving teachers and students’ skills and experience in Science, Engineering, Technology and Mathematics (STEM) fields in Egypt.

Teachers and Students in schools will participate in training programs to prepare them to have their own school science and engineering fair and Olympiad and then qualify the winners to the city fair and Olympiad. Top winners from each city will compete at the National Science and Engineering Fair and Olympiad.

Объяснение:

The Egyptian Science and Engineering Olympiad is a national science and engineering fair and Olympiad for schools. The Program focuses on improving teachers and students’ skills and experience in Science, Engineering, Technology and Mathematics (STEM) fields in Egypt.

Teachers and Students in schools will participate in training programs to prepare them to have their own school science and engineering fair and Olympiad and then qualify the winners to the city fair and Olympiad. Top winners from each city will compete at the National Science and Engineering Fair and Olympiad.