What is pre-algebra? If you want to be a smart-aleck, I guess that any form of arithmetic before algebra could be considered "pre-algebra." But Khan Academ
Example: two-step equation with numerator x
Khan Academy Computing: New course: Learn SQL interactively on Khan Academ.
Back in June we told you that we’d be experimenting with a learning lab, and today marks the opening of the Khan Lab School, which will be composed of a small cohort of around 30 students. Khan Academ
–Day 23 Pieter Bruegel painting Hunters in the Snow 1565
This is a video about Diego Velazquezes most famous artwork, Las Meninas. The people in this video look at and analyze why Velazquez painted different aspects of this painting. I think it tells you alot about velazquez as a painter and Las Meninas
Learn how to calculate standard deviation, how it relates to variance and mean, and the difference between population and sample standard deviation
Linked to Cassat, I believe. Khan Academy, we use multimedia to deliver unscripted conversations between art historians about the history of art.
Investment vehicles, insurance, and retirement