On Jan 28, 2018, Raymond Jiang, President and Founder of East Cobb Branch, spent an hours to select and compile homework of the week to Mathletes. The homework was from 2017-2018 Mathcounts School Handbook Warmup 1, Warmup 2, and Warmup 3, he wrote down notes for students about the solution and concepts which he asked students to understand. As most of students will go to field trip, class practice is skipped this week.