The rides at a theme park always have limits on weight or number of riders. This makes a natural example of the use of inequalities to solve real-world problems. Learners explore intuitive solutions using substitution to solve the...

Students gain an understanding of the small amount of soil available to sustain humans on earth and complete an appropriate graph or chart from their collected data. They locate some of the countries they have heard about where people do...

Students are introduced to the topic of biotechnology. Using the internet, they research issues that have been improved or brought about because of biotechnology advancements. In groups, they participate in activities in which they...