Grades 3-5 Math Problem Solving in Action_ Getting Students to Love Word Problems

Tomas played a game with his friend. In this game they pick cards

and then have to make the largest sum. Carlos picked 2,9, 7 and 4.

How can he arrange these numbers to get the largest sum?

Figure 6.30 Example 1

Figure 6.31 Example 2

Tomas played a game with his friend. In this game they pick cards and

then have to make the largest difference. Carlos picked 1, 9, 7, 5, 0 and

4. How can he arrange these numbers to get the largest difference?

Explain your thinking.