関連ワード:  what age can kids count to 100    what age can kids count to 1000    what age should kids count to 100    what age can most kids count to 100    what age do kids start counting to 100    what age can kids count backwards from 100    what age should my child be able to count to 100    when can a child count to 100    what age should a kid be able to count to 100