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.1. Grade Level Indicator: Number and Number Systems: Decompose and recompose whole numbers using factors and exponents, and explain why 'squared' means 'second power' and 'cubed' means 'third power.'
NNSO.6. Grade Level Indicator: Meaning of Operations: Use the order of operations, including the use of exponents, decimals and rational numbers, to simplify numerical expressions.
NNSO.E. Use order of operations, including use of parenthesis and exponents to solve multi-step problems, and verify and interpret the results.
NNSO.F. Apply number system properties when performing computations.