Posted by **jake** on Monday, January 7, 2008 at 5:40pm.

complete the pattern

12,18,15,21,18,?,?,?,?,?,?,

13,26,18,36,23,?,?,?,?,?,?,?,

44,54,47,57,50,?,?,?,?,?,?,?,

5,14,15,24,25,?,?,?,?,?,?,?,?

- math -
**Mary**, Monday, January 7, 2008 at 5:45pm
12,18,15,21,18,24,21,27,24,30,27(+6,-3)

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**Mary**, Monday, January 7, 2008 at 5:47pm
5,14,15,24,25,34,35,44,45,54,55 (+9,+1)

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**Ms. Sue**, Monday, January 7, 2008 at 5:48pm
12,18,15,21,18,?,?,?,?,?,?,

12 + 6 = 18

18 - 3 = 15

15 + 6 = 21

21 - 3 = 18

What do you think the next numbers are?

13,26,18,36,23,?,?,?,

13 * 2 = 26

13 + 5 = 18

18 * 2 = 36

18 + 5 = 23

What do you think the next numbers are?

Can you see a pattern in the next two groups of numbers? If you post your answers, we'll be glad to check them for you.

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**jake**, Monday, January 7, 2008 at 6:33pm
12,18,15,21,18,24,21,27,24,30,27,34

13,26,18,36,23,36,28,41,33,46,38,51

44,54,47,57,50,60,63,73,66,76,69,79,72,

15,14,15,24,25,34,35,44,45,54,55

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**Damon**, Monday, January 7, 2008 at 5:54pm
hints NOT ANSWERS !!!

+6 -3 + 6 - 3 ....

*2 + (back 2+5) *2 + (back2 +5)

+10 -7 +10 -7

9 1 1 9 1 1 9 1 1 ....

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