Kindergarten - Number Sense and Numeration
Standard K.NSN.1 - Practice counting with groups of objects. Count one group and then count up or down to find the answer.
Included Skills: Counting
investigate the idea that quantity is greater when counting forwards and less when counting backwards (e.g., use manipulatives to create a quantity number line; move along a number line; move around on a hundreds carpet; play simple games on number-line game boards; build a structure using blocks, and describe what happens as blocks are added or removed)