Do you remember how much you loved color by numbers as a kid??
This is the same concept, instead students color prime and composite numbers revealing a hidden heart (making grading quick and painless)!
~By: Not Just for Elementary
www.notjustforelementary.blogspot.com
Key words: puzzle, color, valentine, valentine's day, holiday, heart, printable, worksheet, assessment, common core, multiple, math, divisible, multiply, divide, review