OH.M. Measurement: Students estimate and measure to a required degree of accuracy and precision by selecting and using appropriate units, tools and technologies.
M.4. Grade Level Indicator: Use Measurement Techniques and Tools: Solve problems involving proportional relationships and scale factors; e.g., scale models that require unit conversions within the same measurement system.
OH.NNSO. Number, Number Sense and Operations: Students demonstrate number sense, including an understanding of number systems and operations and how they relate to one another. Students compute fluently and make reasonable estimates using paper and pencil, technology-supported and mental methods.
NNSO.D. Use models and pictures to relate concepts of ratio, proportion and percent.