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.3. Grade Level Indicator: Number and Number Systems: Use mathematical language and symbols to compare and order; e.g., less than, greater than, at most, at least.
NNSO.5. Grade Level Indicator: Number and Number Systems: Represent fractions and mixed numbers using words, numerals and physical models.
NNSO.6. Grade Level Indicator: Number and Number Systems: Compare and order commonly used fractions and mixed numbers using number lines, models (such as fraction circles or bars), points of reference (such as more or less than 1/2), and equivalent forms found using physical or visual models.
NNSO.C. Represent commonly used fractions and mixed numbers using words and physical models.
NNSO.D. Use models, points of reference and equivalent forms of commonly used fractions to judge the size of fractions and to compare, describe and order them.