This is an extremely detailed 5-day student-centered unit focused on time measurement and data for 3rd grade. It incorporates both math and ELA Florida Standards that could be modified for various grades and states.
3.RL.1 Ask and answer questions to demonstrate understanding of a text, referring explicitly to the text as the basis for the answers.
3.MD.1 Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.