This is 15 interactive slides for Missing Factor within a Mathematical Sentence format that is interactive for students. It includes numbers and pictures and is designed for K,1,2, and Special Ed. It includes a printable quiz and a key for that quiz. It is designed so teachers can alter the numbers differently on the page, as well. It uses addition and subtraction skills.
Smart Notebook 11.4 can be downloaded free from the Smartboard site so students can put it on home computer, as well.