Teaching preschoolers to actually count numbers—not just recite them—will better prepare them for success in math once they start school, new research from the University of Missouri suggests.
When you count to 20, you start at 1 (or zero) and count on until you reach 20. Each number is one more than the last. When you count back from 20, you start at 20 and count back until you reach 1 (or ...