Monday

September 22, 2014

September 22, 2014

Posted by **suzie** on Thursday, March 31, 2011 at 11:28am.

in arrays as shown below with a line drawn to show the array as 3/6?

...

...

...

and

....

....

....

....

array shows 6/10?

- math -
**Reiny**, Thursday, March 31, 2011 at 12:23pmif n is a natural number

then

n^2 generates the square numbers

(n^2 + n)/2 generates the triangular numbers

Does that help?

- math -
**bailey**, Wednesday, January 11, 2012 at 1:55am810

**Answer this Question**

**Related Questions**

making dot arrays - I have a question on math homework that asks : What do we ...

Math - Mark read that the ancient Greeks use to arrange pebbles to represent ...

Array - what do you call the numbers that cannot be arranged into 2-row array? I...

making dot arrays - what are the numbers calleed that we cant use in 2 - row ...

math - The triangular numbers are the numbers 1, 3, 6, 10, 15, . . .; the square...

math - Ray makes an array that has 4 rows of 4 counters. He wants to make 2 more...

MATH - The triangular numbers are the numbers 1, 3, 6, 10, 15, . . .; the square...

arrays - What do we call the numbers that cannot be arranged into 2-row arrays? ...

math - Whole numbers can be represented by rectangular arrays of tile. What kind...

4th grade math - can someone show me how to do this one two small arrays have ...