Common Core Number Investigations! A great Do Now, Homework, Math Center, AIS, or daily routine piece. Students break the number completely down. Is it prime or composite? Odd or Even? What is the reciprocal. absolute value and opposite? Represent the number visually on a number line, in picture form, part-part-whole model and in words. List the fact families and compute with the number. All on one page. Great for grades 5-10