Check out this blog post jam packed with 18 games to review for math in middle grades. Great ideas for math test prep that are engaging and easy.
Estimation station: link is messed up!
Ancient Civilization STEM Challenges and activities! includes Mesopotamia, Egypt, China, Israel, India, Greece, and Rome!
Beginning the operations with scientific notation unit with a discovery lab. Inquiry activities get students curious and more invested in understanding this new concept.