Each day, students complete a Warmup that usually consists of spiraling the previous day's material, in addition to older material. Warm-up problems also sometimes extend lessons that students have encountered before to more unfamiliar contexts.
Today's warm-up provide a "mixtape" of sorts to give kids a small amount of review daily that goes a LONG way toward retention of concepts.
Task #2 is a good one to spend time looking at student work - often, students forget to apply the exponent to everything inside the parentheses, and this question is designed to catch and remediate that.
HW148 mixes things up a bit as we prepare for the end of unit assessment.