Perimeter, area, and volume: changes in scale
Perimeter, area, and volume: changes in scale
What you'll learn
- Calculate the new perimeter and area of 2D shapes when the side lengths are scaled by a given factor, and verify the results with at least 80% accuracy.
- Explain how scaling the dimensions of a 2D shape affects its perimeter and area using mathematical reasoning, demonstrating understanding through written explanations with at least 3 complete sentences.
- Predict the change in volume of a 3D object when its dimensions are scaled by a given factor, providing a numerical answer and justification for the prediction in at least 2 out of 3 scenarios.
- Solve real-world problems involving scaling dimensions and its effect on perimeter, area, or volume, correctly answering at least 3 out of 4 application problems.
Tutorial Preview
A square's side length is scaled by 3. What happens to the perimeter?
A square's side length is scaled by 3. What happens to the area?
A cube's side length is scaled by 3. What happens to the volume?
Sample Practice Questions
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Frequently asked questions
What grade level is "Perimeter, area, and volume: changes in scale"?
Perimeter, area, and volume: changes in scale is a Grade 7 Mathematics lesson on ExcelOS.
What will I learn in Perimeter, area, and volume: changes in scale?
You'll be able to: Calculate the new perimeter and area of 2D shapes when the side lengths are scaled by a given factor, and verify the results with at least 80% accuracy; Explain how scaling the dimensions of a 2D shape affects its perimeter and….
Is "Perimeter, area, and volume: changes in scale" free to practice?
Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.
How many practice questions are included with Perimeter, area, and volume: changes in scale?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.