The mother duck and ducklings have fun. Some of the ducklings wander away, When they are found, they are split into separate groups and they play, teaching the concept of subtraction basics.
The mother duck and ducklings are marching forward, when some ducklings get distracted and leave their mother. The duck finds how many went missing, and finds them eventually. The ducklings also split into teams to play a worm-picking game, and they follow their mother to the pond to play with the fishes in separate groups, teaching the concept of subtraction basics.