Posted by **Mike** on Thursday, October 27, 2011 at 8:24pm.

Predict the numbers in the sixth role.

1.)1

2.)1,1

3.)1,2,1

4.)1,3,3,1

5.)1,4,6,4,1

6.)?

- Math -
**derek**, Thursday, October 27, 2011 at 8:37pm
1,10,10,1

- Math -
**Damon**, Thursday, October 27, 2011 at 8:38pm
Google "Pascal's Triangle"

This is also called "binomial coefficients"

left and right ends of rows are 1

every element is sum of above to left and right

like 3 = 1+2

and 6 = 3+3

so

1 5 10 10 5 1

- Math -
**Damon**, Thursday, October 27, 2011 at 8:38pm
You forgot the threes Derek.

- Math -
**derek**, Thursday, October 27, 2011 at 8:39pm
1,5,10,10,5,1

- Math -
**Damon**, Thursday, October 27, 2011 at 8:39pm
I mean the fives.

- Math -
**Reiny**, Thursday, October 27, 2011 at 8:42pm
have you seen Pascal's triangle ?

http://ptri1.tripod.com/

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