Posted by **Kelly** on Tuesday, January 4, 2011 at 6:59pm.

My son's math homework asks him to find each product by factoring the tens. 6 x 2, 6 x 20 and 60 x 20. There is no explaination in the book..can you help?

- Math -
**Marth**, Tuesday, January 4, 2011 at 7:15pm
Factoring the tens is a technique for mental multiplication which relies on the fact that 10*n, for any real number n, is easy to compute.

6*2 = 12 is a memory value.

6*20 = 6*2*10 = 12*10 = 120

60*20 = 6*10*2*10 = 12*10*10 = 1200

- Math -
**Anonymous**, Saturday, February 16, 2013 at 9:23am
60-20=20+___

- Math -
**Anonymous**, Friday, October 3, 2014 at 8:05am
40

- Math -
**barisdomac**, Wednesday, October 7, 2015 at 8:53pm
1.6x2,6x and 6x200

## Answer This Question

## Related Questions

- Math - My son's homework asks us to find the product by factoring the tens. The ...
- Math - my son was asked to find each product by factoring the tens, and to draw ...
- math - find each product by factoring the tens draw rectangles if you need to
- math - I don't understand factoring. One of my homework questions asks for that...
- 4th grade - factoring the tens how to find the product using rectangles
- 4th grade - factoring the tens how to find the product using rectangles
- Math - Thanks Ms. Sue for givig me the anser of 11,211 for my son's math problem...
- Math - This is a 3rd grade math problem that my son had on homework. Can you ...
- Math - My son is grade 4 his homework have question is : when you multiply any ...
- algebra - Can someone help me explain how factoring is used to solve quadratic ...

More Related Questions