Ohio Resource Center
Assessments
ODE Assessment Item, Grade 7: Find Length of Side of Parallelogram
Discipline
Mathematics
6, 7
Professional Commentary

Students must find the length of a side of a parallelogram using similarity. This multiple-choice question is a sample item used in the 2005 Ohio Grade 7 Achievement Test (see Overview of Ohio's Assessment System). The URL link (above) takes the user directly to the test item (PDF), with access to performance data, complexity level of the item, and discussion of incorrect responses. This OAT item is also available in MicrosoftÂ® 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: 2005 Ohio Grade 7 Achievement Test for Mathematics, Annotated Item 10. (author/sw)

Ohio Mathematics Academic Content Standards (2001)
Geometry and Spatial Sense Standard
Benchmarks (5–7)
E.
Use proportions to express relationships among corresponding parts of similar figures.
J.
Apply properties of equality and proportionality to solve problems involving congruent or similar figures; e.g., create a scale drawing.
Principles and Standards for School Mathematics
Geometry Standard
Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships
Expectations (6–8)
understand relationships among the angles, side lengths, perimeters, areas, and volumes of similar objects;
Measurement Standard
Apply appropriate techniques, tools, and formulas to determine measurements.
Expectations (6–8)
solve problems involving scale factors, using ratio and proportion;