Grade 8 Math: Geometry Tiling
Grade 8 Math: Geometry Tiling
1: Making a Symmetrical Pattern
Correct Response
- Both quadrants correctly shaded (pattern shaded or demarcated in some way making symmetrical pattern about both axes, AB and CD)
Partial Response
- One of the two quadrants correctly shaded
Incorrect Response
Grade 8 Math: Geometry Tiling
2: Identify Cell with Letter
Correct Response
- D (including drawing of tile D)
Incorrect Responses
- A, B, or C (including drawings)
- Other incorrect
Grade 8 Math: Geometry Tiling
3: Produce a Pattern Using Letters
Correct Response
- All cells are correct with symmetrical geometric pattern about both axes, PQ and RS (letters or drawings)
Partial Responses
- With respect to at least one of the original tiles the other three tiles are correct
Incorrect Responses
- Letters placed symmetrically with respect to both PQ and RS
- Other incorrect
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© 2011 International Association for the Evaluation of Educational Achievement (IEA)