Part-Part-Whole - FREE SAMPLEThis free sample includes five worksheets from my part-part-whole pack, which offers a large selection of printables and assessments, plus a poster to use with your kids. The Part-Part-WHOLE pack has everything you need to teach the Part-Part-WHOLE strategy/finding the unknown/missing numbers. This pack will help students with basic addition and subtraction facts, counting on, fact families, subitizing, and speed/automaticity with math facts. Using manipulatives and