Is 12+12 greater than, equal to or less than 30?

If Joe walks 2 miles to school and Bob walks 1.5 miles, how far do they walk total?

Chase walked from 6:15pm to 7:00pm. What fraction of an hour did he walk?

Jim brought 2 pizzas, Frank brought 3 pizzas and Corey brought 6 pizzas. How many pizzas did they bring in total?: