Ohio Standards. A percent is a way of comparing a number with 100. Percents are usually written with a percent sign. To solve a percent problem, multiply the value by the percent using one of the representations for the percent.

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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.15. Grade Level Indicator: Computation and Estimation: Determine the percent of a number and solve related problems; e.g., find the percent markdown if the original price was $140, and the sale price is $100.

NNSO.4. Grade Level Indicator: Number and Number Systems: Describe what it means to find a specific percent of a number, using real-life examples.

NNSO.5. Grade Level Indicator: Number and Number Systems: Use models and pictures to relate concepts of ratio, proportion and percent, including percents less than 1 and greater than 100.

NNSO.C. Develop meaning for percents, including percents greater than 100 and less than 1.

NNSO.D. Use models and pictures to relate concepts of ratio, proportion and percent.

NNSO.I. Use a variety of strategies, including proportional reasoning, to estimate, compute, solve and explain solutions to problems involving integers, fractions, decimals and percents.