 Note: The Information above this point will not be sent to your printer 

 Note: The Information below this point will not be sent to your printer 
The Counting and cardinality Number Line above is aligned, either partially or wholly, with standard 4OA04 taken from the CCSM (Common Core Standards For Mathematics)  see the extract below). The resources below are similarly aligned.
Find all factor pairs for a whole number in the range 1 to 100. Recognize that a ...