Learners examine the relationship between probability and geometry to solve problems. In this geometry and probability lesson, students investigate the effect of changing percentages on a spinner to the probability of landing on a...

Students explore reasons for varied salinity in bodies of water. In this geographical inquiry lesson, students use a variety of visual and written information including maps, data tables, and graphs, to form a hypothesis as to why the...

For this online lesson, students will survey students in their school to determine their favorite type of hand-held ice cream. Before performing the survey, students will make predictions about which ice creams they think will be the...

Students can access SAT's practice tests here, as well as take some diagnostic tests to find their weak areas and to predict their probably results on the SAT. In addition, this site offers insights into the make-up of the new SAT, and...