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Similar Figures Activity
Standards/Benchmarks Alignment
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Math Forum Resources
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Alignment to Radnor Township School District Mathematics Standards and Benchmarks:
- Standard 1: Number and Operations Concepts
- Describe, represent, and apply numbers and their relationships and estimate and computer using mental strategies, paper and pencil, and technology.
- Benchmarks
- Use ratios to express part-to-part and whole-to-whole relationships (7, 8)
- Standard 2: Geometry and Measurement Concepts
- Apply the properties of one-, two-, and three-dimensional geometric figures to describe, reason, and solve problems about shape, size, position, and motion of objects. Identify attributes, units, and systems of measurements and apply a variety of techniques, formulas, tools, and technology for determining measurements.
- Benchmarks
- is familiar with assorted two-dimensional objects (7)
- identify similar and congruent shapes (6)
- determine and understand length (7)
- recognize similarity in two-dimensional figures (8)
- measure angles using appropriate units
- reason proportionally in situations with similar figures
Correlation with the MathThematics textbook:
- Book 1
- p. 380 Exploring Ratios
- p. 397 Using Ratios
- p. 424 Comparing Shapes
- p. 429 Measuring Angles
- Book 2
- p. 76 Looking at Angles
- p. 313 Ratios and Proportions
- p. 411 Scale Drawings and Similarity
- p. 414 Unknown Measures in Similar Figures
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- Book 3
- p. 202 Similar Figures
- p. 407 Angles and Triangles
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Math Forum Resources:
 Dr. Math
Teacher Exchange
Problems of the Week
Teacher2Teacher
Internet Mathematics Library
Other Web Resources:
Shelly Berman, Annie Fetter & Suzanne Alejandre
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the presenters.
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