what should four year olds be able to do developmentally
4-year-old developmental milestones. 1  Jumps up and touches line 3 inches above standing reach. 2  Hops forward on one foot. 3  Uses an overhand toss to hit a target from 5 feet. 4  Throws small ball underhand 10 feet. 5  Can use a fork and a spoon. 6  Pedals a tricycle. 7  Able to handle going up and down stairs fairly well without help.