Division with remainders and interpreting what those remainders mean. Fractions: Equivalent fractions and comparing sizes.
Maybe the answer key is available on the same site but a different PDF. Let's search for "Weekly Math Review Q2:4 Answer Key" on rcboe.org. found. It seems the answer key for Q2:4 might not be publicly available. However, the user might be looking for a specific answer key from "One Stop Teacher Shop". That's a common resource. I recall that "One Stop Teacher Shop" offers weekly math reviews and answer keys.
and similar curriculum providers, the following are common answers for the Quarter 2, Week 4 review tasks: Quarter 2, Week 4 Answer Key Equivalent Expressions
Whether you have the official answer key or not, here’s how to turn Q2:4 and other weekly reviews into an effective learning routine: