Subtraction+of+Integers

=There are three tasks for Subtraction of Integers.=

1. Watch each of the videos below.

 * = media type="youtube" key="gdCpqCkKsAI" height="364" width="445" ||= media type="youtube" key="4sT9-g3tAjk" height="364" width="445" ||
 * = media type="youtube" key="DUolCa1LyAg" height="364" width="445" ||= media type="youtube" key="iq1sUKWZLLY" height="364" width="445" ||
 * = media type="youtube" key="SLQnhku9Wqs" height="364" width="445" ||= media type="youtube" key="G2WPYb2Q6_Q" height="364" width="445" ||

==2. Choose either Easy or Medium to complete 10 subtraction problems. Record the number correct and the number incorrect on a sheet of paper. You will need this information for the last task.==