Ohio Resource Center
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Assessments
ODE Assessment Item, Grade 10: Determine the probability of a ticket being selected
Discipline
Mathematics
Grades
8, 9, 10
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Professional Commentary

Students are asked to determine the probability of one of Drake’s tickets being selected. 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 43. (author/sw)


Ohio Mathematics Academic Content Standards (2001)
Data Analysis and Probability Standard
Benchmarks (8–10)
J.
Compute probabilities of compound events, independent events, and simple dependent events.
Grade Level Indicators (Grade 8)
11.
Demonstrate an understanding that the probability of either of two disjoint events occurring can be found by adding the probabilities for each and that the probability of one independent event following another can be found by multiplying the probabilities.
Principles and Standards for School Mathematics
Data Analysis and Probability Standard
Understand and apply basic concepts of probability
Expectations (6–8)
compute probabilities for simple compound events, using such methods as organized lists, tree diagrams, and area models.