Scale Away effects on perimeter, area when dimensions are changed proportionally

Scale Away effects on perimeter, area when dimensions are changed proportionally
Scale Away effects on perimeter, area when dimensions are changed proportionally
Scale Away effects on perimeter, area when dimensions are changed proportionally
Scale Away effects on perimeter, area when dimensions are changed proportionally
Scale Away effects on perimeter, area when dimensions are changed proportionally
Scale Away effects on perimeter, area when dimensions are changed proportionally
Scale Away effects on perimeter, area when dimensions are changed proportionally
Scale Away effects on perimeter, area when dimensions are changed proportionally
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TEKS 8.10a Describe the resulting effects on perimeter and area when the dimensions of a shape are changed proportionally.

Task Card:
Your task is to complete all five cards.
• Use the “given” shape in the center of each card to answer the questions in each section of the card.
• Show all your work and thinking in the spaces provided. Use numbers and words to justify your thinking.
• When done with all 5 cards, answer the two questions on the Reflections: Scale Away card.
• Staple the 5 cards and your Reflection sheet together and turn in to your teacher.

Teacher note- make sure to provide enough copies of each of the 5 cards and the reflection sheet so that all students have a copy to write on.

Sample of Reflection:
1. If a scale factor is applied to a figure, how will the perimeter of the new figure be affected?
2. If a scale factor is applied to a figure, how will the area of the new figure be affected?





Total Pages
9 pages
Answer Key
N/A
Teaching Duration
55 minutes
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