Addition
34 students were playing on the slides. 28 more students ran over to play on the slides. How many students are playing on the slides now?
What is 62 students? Add to Result Unknown
57 puppies were playing in the grass. Some more puppies ran over there. Then there were 78 puppies. How many puppies ran over there?
What is 21 puppies? Add to Change Unknown
82 oranges were on the table. 29 were big and the rest were small. How many oranges are small?
What is 53 small? Take From Change Unknown