If each string of lights has 25 bulbs on an 8 m wire, determine how many strings you will need to light the tree effectively. Include a diagram of your layout. With a partner, design and conduct an experiment to measure the warming curve of a glass of ice and pop. Graph the results. As an extension, compare glasses of different shapes and materials.
Students often complain about the size or design of their lockers.
Research and design your ideal locker, attending to such details as enough room for students in the halls and enough lockers for all students in the school. Thinking Through Mathematics suggests the following open-ended problem. Working with a partner, use graphs to resolve the issue.