Technology objective: Students will work in pairs to use the results from the TI-34 calculator for multiplication and division of rational numbers to determine how to multiply and divide fractions.
Lesson: Have the students work in pairs. Put the following problems on the board. They will enter the problems in the TI-34 calculator and record their results. It is their job from their to figure out why the calculator got the answer it did.
4) 5 *
6) 6 /
7) 3 /
Reinforcement: Have the students record the problems, record the answers, and describe how the calculator got its result in their journals.