Addition for kids

Peter bought 3 red apples, his friend Maria bought 2 green apples. How many apples there are altogether? 3,5
Camila has 2 cars in the garage, Susan has 4 cars more. How many cars there are in the garage? 6, 2
My uncle painted 2 pictures at home, my aunt painted 4 in the galery. How many pictures were painted altogether? 4,6