We discuss five elements of a problem-solving lesson to develop five core competencies in problem solving?
What are the five elements? What are the five competencies? What are two ways to develop each of the five conptencies?
Why do you think the numbers used are 7,3 and 2 and ten frames are used?
Why do you think ice cream is used in the putting 52 ice cream in four boxes problem? What if students suggesting dividing by putting the ice cream one by one (inefficient strategy).