Ohio Resource Center
ODE Assessment Item, Grade 10: Determine a number by multiplying percentages
8, 9, 10
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Professional Commentary

Students are asked to determine the number of women in a group using data in a pie graph. This multiple-choice question is a sample item used in the 2008 Ohio Graduation Test (see Overview of Ohio's Assessment System). The URL link (above) takes the user directly to the OGT test item (PDF), with access to performance data, complexity level of the item, and discussion of incorrect responses. This OGT item is also available in Microsoft® Word. The Ohio Department of Education Instructional Management System website allows visitors to search for test items by subject and grade band and build a printable database of questions using the Add to Your Backpack function. ODE Reference Information: 2008 OGT for Mathematics, Annotated Item 14. (author/sw)

Ohio Mathematics Academic Content Standards (2001)
Number, Number Sense and Operations Standard
Benchmarks (8–10)
Estimate, compute and solve problems involving real numbers, including ratio, proportion and percent, and explain solutions.
Grade Level Indicators (Grade 8)
Estimate, compute and solve problems involving rational numbers, including ratio, proportion and percent, and judge the reasonableness of solutions.
Grade Level Indicators (Grade 9)
Demonstrate fluency in computations using real numbers.
Principles and Standards for School Mathematics
Number and Operations Standard
Understand numbers, ways of representing numbers, relationships among numbers, and number systems
Expectations (6–8)
work flexibly with fractions, decimals, and percents to solve problems;