Curated OER
Sex and the Single Bacterium
Learners become familiar with microbiology and biotechnology laboratory techniques and observe the results of antibiotic resistance transfer from one bacteria to another via conjugation. They then calculate the "mating efficiency" by...
Big Learners
Biglearners.com: ccss.ela literacy.l.2.1.f : Second Grade English Language Arts
Here is a collection of our common core aligned worksheets for core standard L.2.1.F. A brief description of the worksheets is on each of the worksheet widgets. Click on the images to view, download, or print them. All worksheets are...
Illustrative Mathematics
Illustrative Mathematics: F Bf 1,000 Is Half of 2,000
This task is about an online mathematics organization that is trying, over a four-year period, to generate 2,000 math problems that cover all grades. This real-life modeling task could serve as a summative exercise that draws on many...