1. Below are 4 different mathematical expressions. Write down what each expression means.

a. 9 + 3

b. 9 3

c. 9 3

d. 9 3

2. What context was used to fit each of the examples above the way it is written. (This means 9 + 3 would have a different context than 3 + 9).

3. Discuss the interpretations of each example.

a. Would all the descriptions discussed fit the same context

b. How might some descriptions fit a different context?

c. What different meanings could be associated with 9 3?