In kid-friendly language...
These pictures of phenomenal landforms are intended to get the students thinking about how the surface of the Earth changes over time due to weathering and erosion.
This presentation, with a little help from Gru, will help you understand the process used by engineers.
This presentation discusses the diffrerence between traits that are inherited and acquired.
This presentation is full of pictures involving signs that use math that just doesn't add up.
A basic introduction to fractions.
This ppt looks at how many parts can fit within a whole.
Review how to compare fractions using <, >, and = here.
This ppt reviews equivalent fractions.
Watch this ppt to see how to convert between mixed numbers and improper fractions.