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Curated Video
Use knowledge of equivalence when scaling factors to solve problems
Pupil outcome: I can solve problems using equivalence by scaling factors. Key learning points: - When one factor is scaled and the other is scaled down by the same amount, the product remains the same. - Scaling one factor up and the...
KnowMo
Similarity in More Than One Dimension: Calculating Scale Factors and Solving Problems
This video provides an introduction to working with similar shapes and calculating scale factors in multiple dimensions. The presenter explains the properties of similar shapes and how to calculate the linear, area, and volume scale...
Curated Video
Identify and describe the relationship between irregular polygons using scale factors
Pupil outcome: You can identify and describe the relationship between two irregular polygons using scale factors Key learning points: - Two similar shapes can be described as being 'x' times greater or smaller than each other. - If one...
Curated Video
Solve Word Problems by Doing Dilations
In this video, the teacher explains how to use a photographic enlarger to create a print from a negative while maintaining proper proportions. The lesson also covers solving word problems involving dilations using different scale factors.
Curated Video
Problem solving with plans and elevations
Pupil outcome: I can use my knowledge of plans and elevations to solve problems. Key learning points: - The plans and elevations may be drawn to scale. - You can combine an isometric drawing with its plan and elevations to find missing...
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 Area from Scale Drawings: Ratios and Proportions
In this video, the teacher explains how to calculate the amount of material needed to make small flags for each student in a school. They demonstrate the use of ratios and proportions to find the area of the flags and apply the concept...
KnowMo
Understanding Similarity and Congruence in Geometry
This video explains the concepts of congruence and similarity of shapes in mathematics. The speaker then explains how to calculate the scale factor, which determines the ratio between the lengths of the corresponding sides of two similar...
Curated Video
Solve problems involving scaling and ratio
Pupil outcome: You can identify and describe the relationship between two squares using scale factors Key learning points: - Ratio and scaling problems can be represented in similar ways. - Ratio and scaling problems can be solved in...
Curated Video
Problem solving with advanced similarity knowledge
Pupil outcome: I can use my knowledge of similarity to solve problems. Key learning points: - A scaled version of a shape/object is very useful. - Being able to scale the perimeter/area/volume can reduce the number of calculations. -...
Curated Video
Problem solving with similarity
Pupil outcome: I can use my knowledge of similarity to solve problems. Key learning points: - A scaled version of a shape is very useful. - Being able to scale the perimeter can reduce the number of calculations. - Enlargement...
Curated Video
Advanced problem solving with further transformations
Pupil outcome: I can use my enhanced knowledge of transformations to solve problems. Key learning points: - By understanding what changes and what is invariant, you can determine whether a transformation has occurred. - Sometimes you...
Curated Video
Problem solving with further transformations
Pupil outcome: I can use my enhanced knowledge of transformations to solve problems. Key learning points: - By understanding what changes and what is invariant, you can determine whether a transformation has occurred. - Sometimes you...
Curated Video
Problem solving with transformations
Pupil outcome: I can use my knowledge of transformations to solve problems. Key learning points: - By understanding what changes and what is invariant, you can determine whether a transformation has occurred. - Sometimes you might need...
Curated Video
Problem solving with similarity and Pythagoras' theorem
Pupil outcome: I can use my knowledge of similarity and Pythagoras' theorem to solve problems. Key learning points: - Right-angled triangles can be seen in real-life (e.g. ladder against a vertical wall). - A ratio table can help you...
Curated Video
Problem solving with graph transformations
Pupil outcome: I can use my knowledge of graph transformations to solve problems. Key learning points: - Your knowledge of identifying transformations of shapes can be applied to graphs - This allows you to identify what transformations...
Curated Video
Predicting Products by Comparing Factors
In this video, Jamal and Sammy demonstrate how to predict the size of a multiplication product by comparing the factors and using visual representations. They show examples of scaling up and scaling down the factors to determine the size...
Curated Video
Design Microservices Architecture with Patterns and Principles - Problem: Cross-Service Queries and Write Commands on Distributed Scaled Database
The video addresses the challenges associated with performing cross-service queries and write commands on a distributed and scaled database environment, the complexities and considerations involved in coordinating data access and...
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
Dilations: A Mathematical Change in Size
This video lesson introduces dilations. Dilations are a transformation that changes the size of a figure by enlarging it by a scale factor greater than one or by reducing it by a scale factor less than one. Real world examples are...
Curated Video
Dilations
This video lesson introduces dilations. Dilations are a transformation that changes the size of a figure by enlarging it by a scale factor greater than one or by reducing it by a scale factor less than one. Real world examples are...
TED Talks
TED: 5 promising factors propelling climate action | Gabriel Kra
Given the scale of the challenge, the conversation around climate change is often tinged with doom and gloom. But climate tech investor Gabriel Kra thinks we need to reframe the crisis as a source of tremendous opportunity. He offers...
MinutePhysics
Einstein's Biggest Blunder, Explained
This video is about how Albert Einstein made a mistake when applying the Field Equations of General Relativity to cosmology (in particular, to a static, constant density universe), and solved the...
Curated Video
Use understanding of equivalent fractions to solve problems
Pupil outcome: I can use understanding of equivalent fractions to solve problems. Key learning points: - If the multiplicative relationship between the numerator and denominator is the same, the fractions will be equivalent. - In...