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Math Example: Comparing Area: Example 2

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# Math Example: Comparing Area: Example 2

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Geometry

## Description

In this example, we compare the areas of two rectangles, A and B, drawn on a grid. Rectangle A has dimensions of 3 units by 5 units, while Rectangle B measures 2 units by 6 units. Calculating their areas, we find that Rectangle A has an area of 3 * 5 = 15 square units, and Rectangle B has an area of 2 * 6 = 12 square units. Comparing these results, we can conclude that A > B, meaning Rectangle A has a larger area than Rectangle B.

This example is part of a series designed to teach students about comparing areas of different geometric shapes. By presenting various scenarios with rectangles of different dimensions, students learn to calculate areas and make comparisons. This approach helps reinforce the concept that area is not solely determined by a shape's perimeter or visual size, but by the product of its dimensions.

Exposing students to multiple worked-out examples is essential for developing a deep understanding of area comparison. Each example provides a unique scenario, allowing students to apply the same principles to different dimensions and shapes. This repetition helps solidify the concept and improves students' ability to tackle various area-related problems independently.

Teacher Script: "Now, let's look at these two new rectangles, A and B. They have different dimensions from our previous example. Can you calculate their areas for me? What do you notice about the results? Even though Rectangle B is longer, Rectangle A is wider. This shows us that both length and width play important roles in determining area. What conclusion can we draw about comparing areas of different rectangles?"

For a complete collection of math examples related to Geometry click on this link: __Math Examples: Comparing Areas Collection.__

Common Core Standards | CCSS.MATH.CONTENT.6.G.A.1 |
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Grade Range | 6 - 7 |

Curriculum Nodes |
Geometry• Quadrilaterals• Area and Perimeter of Quadrilaterals• Triangles• Area and Perimeter of Triangles• Circles• Area and Circumference |

Copyright Year | 2024 |

Keywords | comparing areas |