Amanda has moved 67 pebble stones. She needs to move total 130 pebble stones.
How many more pebble stones does she need to move? 
Work space:

The swimming school has 59 adults students and 126 kids students.
How many more kids students does the swimming school have? 
Work space:

Mom spent $128 on 3 new shirts. She spent $35 on the blue one and spend $25 on the red one.
How much money did Mom spend on the yellow one? 
Work space:
