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In this unit, students learn to understand and use the terms “scaled copy,” “to scale,” “scale factor,” “scale drawing,” and “scale,” and recognize when two pictures or plane figures are or are not scaled copies of each other.
- Illustrative Mathematics Grade 7, Unit 1.1 - Teachers | IM Demo
We can use a scale factor (or a multiplier) to compare the...
- Illustrative Mathematics Grade 7, Unit 1.2 - Teachers | IM Demo
What is a scale factor? How does it work? Students can use...
- Illustrative Mathematics Grade 7, Unit 1.1 - Teachers | IM Demo
We can use a scale factor (or a multiplier) to compare the lengths of different figures and see if they are scaled copies of the original. The original figure and scaled copies have corresponding angles that have the same measure.
What is a scale factor? How does it work? Students can use informal language to describe corresponding parts, and recognize a scale factor as a common ratio between the lengths of corresponding side lengths. In the figure, triangle \(DEF\) is a scaled copy of triangle \(ABC\).
15 sie 2020 · Definition: Scale Factor. To create a scaled copy, we multiply all the lengths in the original figure by the same number. This number is called the scale factor. In this example, the scale factor is 1.5, because \(4\cdot (1.5)=6\), \(5\cdot (1.5)=7.5\), and \(6\cdot (1.5)=9\). Figure \(\PageIndex{4}\)
Course: 7th grade (Illustrative Mathematics) > Unit 1. Lesson 5: Lesson 6: Scaling and area. Scale factors and area. Relate scale drawings to area.
15 sie 2020 · Definition: Scale Factor. To create a scaled copy, we multiply all the lengths in the original figure by the same number. This number is called the scale factor. In this example, the scale factor is 1.5, because \(4\cdot (1.5)=6\), \(5\cdot (1.5)=7.5\), and \(6\cdot (1.5)=9\). Figure \(\PageIndex{7}\)
Illustrative Math. Grade 7. Lesson 5: The Size of the Scale Factor. Let’s look at the effects of different scale factors. Illustrative Math Unit 7.1, Lesson 5 (printable worksheets) Lesson 5 Summary.
