- Joined
- Jun 21, 2003
Here are five birthday cards
The 1’s card
1 3 5 7
9 11 13 15
17 19 21 23
25 27 29 31
The 2’s card
2 3 6 7
10 11 14 15
18 19 22 23
26 27 30 31
The 4’s card
4 5 6 7
12 13 14 15
20 21 22 23
28 29 30 31
The 8’s card
8 9 10 11
12 13 14 15
24 25 26 27
28 29 30 31
The 16’s card
16 17 18 19
20 21 22 23
24 25 26 27
28 29 30 31
For each card, if your birthday (day of month only) is on the card, "keep" it. If yor birthday is not on the card, discard it.
Now add up the numbers in the upper left-hand corner of the cards that you kept. That’s your birthday!
The 1’s card
1 3 5 7
9 11 13 15
17 19 21 23
25 27 29 31
The 2’s card
2 3 6 7
10 11 14 15
18 19 22 23
26 27 30 31
The 4’s card
4 5 6 7
12 13 14 15
20 21 22 23
28 29 30 31
The 8’s card
8 9 10 11
12 13 14 15
24 25 26 27
28 29 30 31
The 16’s card
16 17 18 19
20 21 22 23
24 25 26 27
28 29 30 31
For each card, if your birthday (day of month only) is on the card, "keep" it. If yor birthday is not on the card, discard it.
Now add up the numbers in the upper left-hand corner of the cards that you kept. That’s your birthday!