Posted by **Shelby** on Wednesday, August 29, 2007 at 9:11pm.

It's actually terrible, I forgot my book, and I'm stuck doing homework, and it's hard. I'm in fifth grade.

6. List all of the numbers up to 20 that can be arranged into arrays with two rows.

16, and 20, there's more but.

7. What do you call numbers listed in problem 6?

Blank.

- Math -
**Bobpursley**, Wednesday, August 29, 2007 at 9:22pm
Shelby:

20 can be represented by two factors, 4,5

16 can be represented by two factors, 8,2

What about 18? 14?

Start with four and work up, see if you can find two factors of each number.

The numbers are called factors.

- Math -
**Erica**, Thursday, September 13, 2007 at 5:30pm
Factor pairs

## Answer this Question

## Related Questions

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

math - what do you call the numbers that cannot be arranged into 2 row arrays ...

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

Math - Okay I am stuck on a problem: What do you call the numbers that cannot be...

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

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

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

Arrays - What do you call numbers that cannot be arranged into 2-row arrays? ...

math - what are all of the numbers up to 20 that can be arranged into arrays ...

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