Big Idea:What do students already know about integers, rational numbers, and the coordinate plane? What gaps do students have in their understanding? Students take the Unit 3 pretest in order to inform instruction.
Big Idea:What happens when you add positive 5 and negative 3? What happens when you subtract positive 2 from negative 3? Students work with a number line and football to model adding and subtracting integers.
Big Idea:What are opposites and what happens when you add them together? How can you use counters to model 7-9? What about 3 – (-3)? Students work with counters to model adding and subtracting integers.
Big Idea:Which stock price had the largest change? How do you know? What is the distance between (a, 5) and (a, -3)? Students continue tracking their investments and work on strategies for calculating length of horizontal and vertical lines.