Curated Video
Calculating the Scale Factor of a Dilation
This video explains how to determine the scale factor of a dilation by comparing the side lengths of the preimage and image. It demonstrates two methods: dividing the corresponding vertices and finding the ratio of the corresponding...
Let's Tute
Similar Triangles - Geometry
In this online math video we will learn about similar triangles.This online math video help us to know about concept of similarity with respect to triangles.
Curated Video
Creating New Scale Drawings Using Ratios and Proportions
In this video, the teacher explains how to change the size of a blueprint by using ratios and proportions. They demonstrate how to solve proportions and use scale drawings to determine actual measurements.
Curated Video
Finding Missing Measures in Similar Figures
In this lesson, students will learn how to find missing measures in similar figures by solving algebraic equations. They will review rigid transformations and understand how to determine if polygons are similar.
NUMBEROCK
Transformations Song | Translations, Rotations, Reflections, & Dilations
This video will be the perfect way to introduce your class transformations. Students will learn that a flip is a reflection, a slide is a translation, and a turn is a rotation, while also reviewing the concepts of symmetry and dilations,...
ProTeachersVideo
Inside Maths: Enlargement
KS4 maths: A local dance school has a problem - it wants to enlarge the logo on their t-shirts. Dave heads off with tutu and ruler in hand to see if he can help. Dave has made two pieces of cake for himself and Fran, but cannot work out...
Curated Video
Calculating Percent of a Number Using Proportion Model
In this video, a teacher explains the concept of proportions and how they can be used to find the part of a total. The example of a survey is used to demonstrate how to calculate the number of people who prefer a specific flavor of ice...
Curated Video
Applying Tax, Tip, and Discount: Using Proportions and Scale Factors
Through a real-life example of a pair of sneakers on sale, this video demonstrates step-by-step how to find the scale factor, calculate the discount, and determine the final cost. The video emphasizes the importance of understanding the...
Curated Video
Solving Percent Problems using Proportions
This video teaches students how to solve problems involving finding a percent of a number using a proportion model. It explains the concept of a proportion and how to find the scale factor. The video also provides an example problem...
Curated Video
Calculating Perimeter from Scale Drawings using Ratios and Proportions
This video teaches students how to compute the actual perimeter of a scale drawing by using ratios and proportions. It explains the concept of proportions and demonstrates how to find missing side lengths in similar figures. The video...
Curated Video
Calculating Actual Distance on a Map Using a Scale
This video students will learn how to calculate the actual distance on a map by using a scale. It explains the concepts of ratios, proportions, and scale factors, and provides examples of how to apply them. The video emphasizes the...
Curated Video
Calculating Percent of Increase and Decrease Using Proportions
This video provides examples and step-by-step instructions on how to determine the percentage of change by comparing the original amount to the new amount. It also emphasizes the importance of using the correct starting or original...
Khan Academy
Khan Academy: Geometry: Similar Triangle Basics
Explains the difference between congruent triangles and similar triangles. Introduces the idea of scale factors. [9:17]
Sophia Learning
Sophia: Scale Factors: Lesson 5
This lesson defines the phrase scale factor. It is 5 of 5 in the series titled "Scale Factors."
Math Mammoth
Math Mammoth: Scaling Figures and the Scale Ratio
Explains what a scale ratio between two figures means and how to use it to calculate unknown side lengths. [8:31]
Khan Academy
Khan Academy: More Determinant Depth: Determinant as Scaling Factor
Video demonstrating that the area of a parallelogram that is the image of a rectangle under a transformation is equivalent to the absolute value of the determinant of the matrix whose column vectors generate the parallelogram.
Sophia Learning
Sophia: Finding Scale Factors
This video tutorial demonstrates how to calculate the scale factor for two similar figures. [4:11]
Sophia Learning
Sophia: Finding Scale Factors
This video lesson demonstrates how to find scale factor. The tutorial includes two detailed examples. [4:24]
Sophia Learning
Sophia: Scale Factor and Area of Similar Figures
This video lesson [3:02] demonstrates how the scale factor and area of similar figures are related.
Sophia Learning
Sophia: Scale Factor and Area of Similar Figures
A relationship between scale factor and area can be determined using similar figures. Assess learning with a quiz.
Sophia Learning
Sophia: Scale Factor and Volume of Similar Figures
This video lesson [3:38] demonstrates how to use scale factor to calculate the volume of similar figures. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Scale Factor and Volume of Similar Solids
Explore the relationship between scale factor and volume of similar solids. Assess learning with a quiz.
Sophia Learning
Sophia: Scale Factor and Surface Area of Similar Solids
Determine the relationship between scale factor and surface area of similar solids. Assess learning with a quiz.
Sophia Learning
Sophia: Scale Factor and Surface Area of Similar Figures: Lesson 4
This lesson will discuss the relationship between scale factor and surface area of similar figures. It is 4 of 4 in the series titled "Scale Factor and Surface Area of Similar Figures."