How many dolphins are there? How many are jumping? How many are swimming?
2 Dolphins= 1 Jumping + 1 Swimming
How many fruit drinks are there? How many milk drinks are there? How many are there together?
Fruit=4, Milk=6 6+4=10
How many people in the elevator? How many male? How many female?
5 people = 3 male +2 female
How many cars are there? How many trucks are there? How many are there together?
Cars=4, Trucks=2. 4+2=6
How many bees are walking? How many are flying? How many total?
Walking=4, Flying=3 4+3=7
How many leaves on the ground? How many leaves are falling? How many leaves total?
Ground=1, Falling=3 1+3=4