Understanding Scale Factors and Ratios in Similar Figures

Explore the concept of scale factors and ratios in similar figures through visible learning intentions, warm-up exercises, and practical examples. Learn to determine the scale factor between two similar figures, use scale factors to find missing sides, and apply the knowledge in real-world scenarios. The success criteria include naming corresponding sides, using scale factors effectively, and calculating the scale factor based on given information. Engage in interactive tasks, practical applications, and summarizing activities to enhance your understanding.

• Scale Factors
• Ratios
• Similar Figures
• Learning Intentions
• Success Criteria

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Uploaded on May 12, 2024 | 3 Views

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Presentation Transcript

1. Scale factor Explicit teaching

2. Visible learning Learning intentions To understand and be able to determine the scale factor between two similar figures. To be able to use scale factors to find missing sides in similar figures. Success criteria I can identify and name corresponding sides of similar figures. I can use a scale factor to find missing sides in similar figures. I can use given information to determine the scale factor between two similar figures.

3. Warm up Ratios

4. Ratios Warm up 4:6 1:2 10:16 20:30 0.2:0.3 4

5. Launch How many times taller?

6. How many times taller? Launch 6

7. Explore What is scale factor?

8. Faded examples Explore Complete the following sentence scaffold with a partner: The total distance is made up of ____ segments. So, the total distance is ____ segments long. 8

9. Summarise Faded examples

10. Faded examples part 1 Summarise 10

11. Apply Faded examples

12. Faded examples part 2 Summarise 12

13. Success criteria I can identify and name corresponding sides of similar figures. I can use a scale factor to find missing sides in similar figures. I can use given information to determine the scale factor between two similar figures.