Yale Math Grad Explains Digital SAT Test 1 Module 1 in UNDER 9 MINUTES 

The founder of 1600.io, a Yale grad and math major, rips through Module 1 of Digital Practice Test 1 at high speed while somehow also finding time to do some explaining along the way. For more awesome Digital SAT self-study resources, check out our site and our new free bundle, which includes (much more detailed!) video and Desmos explanations of the reading, writing, and math questions on the Digital SAT Practice Tests: 1600.io/p/sat-resources-free-...