Posted by Sarah on Saturday, February 1, 2014 at 12:49pm.
Is there any trick to quickly multiply numbers ending in 0  like 280 x 20?

Fast Way to Multiply Numbers ending in 0?  Ms. Sue, Saturday, February 1, 2014 at 12:51pm
Multiply the counting numbers. Then add the same number of zeroes as there are in the problem.
28 * 2 = 56
280 * 20  5600 
Fast Way to Multiply Numbers ending in 0?  Angela, Saturday, February 1, 2014 at 1:01pm
Awesome! Thank you :)

Fast Way to Multiply Numbers ending in 0?  Ms. Sue, Saturday, February 1, 2014 at 1:22pm
You're welcome.