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The question asks for the teaching strategy that best promotes understanding and success in helping students find the area of rectangles, triangles, and parallelograms. Let's evaluate each option:

1. **Option (a)** suggests using computers to explore relationships between squares and triangles. While this might offer insight, it’s less focused on hands-on understanding through manipulation and does not emphasize student discovery.

2. **Option (b)** states that calculators should not be used. This is a restrictive approach that does not actively encourage understanding or discovery.

3. **Option (c)** proposes using pattern blocks for students to observe area relationships, like how six small triangles can make up the area of one hexagon. This is a strong candidate as it uses a hands-on, visual method to build understanding of area through observation and manipulation, which supports conceptual understanding.

4. **Option (d)** suggests using geoboard (or geopaper) activities. This approach allows students to actively create geometric shapes and explore area relationships themselves, fostering understanding through interactive and spatial learning.

**Best answer:** The best choice here is **(d)**. Incorporating geoboard or geopaper activities provides students with direct experience in forming shapes and calculating areas, making it an effective strategy for understanding and success in learning area formulas.

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### Related Questions

1. How can pattern blocks be used to teach area concepts for other shapes?
2. Why is hands-on learning effective in teaching geometry?
3. What other tools, besides geoboards, can help in understanding geometric areas?
4. How can technology complement hands-on methods in geometry?
5. What are the pros and cons of calculator use in early geometry education?

### Tip
When teaching geometry, providing tactile experiences like using geoboards or pattern blocks can solidify students’ understanding of area concepts by connecting abstract formulas to concrete visuals.

One NCTM Standard states that 'All students should develop, understand, and use formulas to find the area of rectangles and related triangles and parallelograms.' Which statement below best defines a teaching strategy that encourages understanding and success?

Explore effective teaching strategies to help students understand and calculate the area of rectangles, triangles, and parallelograms. This problem focuses on hands-on learning techniques, such as using geoboards, pattern blocks, and other tools that encourage student engagement and success in geometry.

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