This task is about solving maths problems.


a) 
There are 21 people at a beach, and 13 more people arrive.
Show how to work out how many people are at the beach altogether.




b) 
Two classes go on camp together. One class has 37 students and the other has 28.
Show how to work out how many students go on camp.




c) 
A farmer has 63 cows. He buys 59 more cows.
Show how to work out how many cows he has altogether.


