ABSTRACT
Consider the following problems:
James had 13 marbles. He lost 8 of them. How many marbles does he have left?
Nancy won 14 stuffed animals at the carnival. Ronald won 6 stuffed animals. Nancy won how many more animals than Ronald?
Consider the following problems:
James had 13 marbles. He lost 8 of them. How many marbles does he have left?
Nancy won 14 stuffed animals at the carnival. Ronald won 6 stuffed animals. Nancy won how many more animals than Ronald?