standard_description: Use units as a way to understand problems and to guide the solution of multi-step problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays.
problem_activity: Watermelon is on sale for $4 per pound.
a.   How much would 5 pounds cost? 7.5 pounds? 12.8 pounds?
b.   Why do you think grocery stores show the price per 1 pound? How is it useful or efficient when determining the cost of differently sized watermelons?


aligns: no