Instructional Video20:21
Curated Video

Represent equal groups as repeated addition

Pre-K - Higher Ed
Pupil outcome: I can represent equal groups as repeated addition. Key learning points: - There are ___ groups of ___ - The groups can be represented with an addition. - There are ___ and ___ and ___ - There are ___ + ___ + ___
Instructional Video23:19
Curated Video

Checking understanding of basic transformations

Pre-K - Higher Ed
Pupil outcome: I can describe how an object has moved or changed. Key learning points: - A congruent shape has not changed size - Two shapes can be congruent even if one has been reflected or rotated - An image can be described in terms...
Instructional Video23:21
Curated Video

Problem solving with further transformations

Pre-K - Higher Ed
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...
Instructional Video22:07
Curated Video

Focusing light

Pre-K - Higher Ed
Pupil outcome: I can explain how light from an object can be focused by a converging lens to form an image. Key learning points: - Some of the light from objects can pass through a lens and become focused to form an image on a screen. -...
Instructional Video25:26
Curated Video

A pinhole camera

Pre-K - Higher Ed
Pupil outcome: I can explain how light passes through a pinhole to produce an image in a pinhole camera. Key learning points: - A pinhole camera is an empty, closed box with a tiny hole on the front face and a screen on the back face. -...
Instructional Video26:33
Curated Video

Reflected images

Pre-K - Higher Ed
Pupil outcome: I can describe and explain the properties of reflections in a plane mirror, and draw diagrams to show how reflections form. Key learning points: - Reflections are the same size as the object, upright, and the same distance...
Instructional Video28:27
Curated Video

Advanced problem solving with further transformations

Pre-K - Higher Ed
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...
Instructional Video27:43
Curated Video

Problem solving with transformations

Pre-K - Higher Ed
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...
Instructional Video29:32
Curated Video

Identifying multiple transformations

Pre-K - Higher Ed
Pupil outcome: I can identify what transformations have taken place. Key learning points: - More than one transformation may have taken place. - If the size has changed, one shape may be an enlargement of the other. - If the orientation...
Instructional Video30:02
Curated Video

Checking and securing understanding of congruence and similarity

Pre-K - Higher Ed
Pupil outcome: I can identify (by eye) which shapes are congruent, similar or neither. Key learning points: - If two shapes are congruent, then they are similar. - A ratio table can be a helpful tool for checking the multipliers. - The...
Instructional Video30:09
Curated Video

Multiple transformations

Pre-K - Higher Ed
Pupil outcome: I can carry out multiple transformations on a shape. Key learning points: - A shape can be transformed more than once. - The first transformation is performed on the object. - The second transformation is performed on the...
Instructional Video33:04
Curated Video

Checking and securing understanding of reflection

Pre-K - Higher Ed
Pupil outcome: I can describe a reflection and perform a given reflection on an object. Key learning points: - The line of reflection can be vertical/horizontal/diagonal. - The line of reflection may go through part of the object. - The...
Instructional Video33:14
Curated Video

Checking and securing understanding of rotation

Pre-K - Higher Ed
Pupil outcome: I can describe a rotation and perform a given rotation on an object. Key learning points: - Tracing paper can be a helpful tool to perform a rotation. - The image and the object should be congruent. - Unless a full...
Instructional Video32:59
Curated Video

Checking and securing understanding of translation

Pre-K - Higher Ed
Pupil outcome: I can describe a translation and perform a given translation on an object. Key learning points: - It can be helpful to choose a vertex and translate that. - Once all the vertices have been translated, the image can be...
Instructional Video33:26
Curated Video

Investigating transformations with GeoGebra

Pre-K - Higher Ed
Pupil outcome: I can investigate transformations using dynamic software Key learning points: - Dynamic software is a tool that can be used to explore transformations. - There are many benefits to using this tool. - Different...
Instructional Video33:11
Curated Video

Checking understanding of similarity

Pre-K - Higher Ed
Pupil outcome: I can enlarge a shape and can state what changes and what is invariant. Key learning points: - An enlargement means a change in size. - The lengths of the lines may change when enlarged. - The angles inside an object do...
Instructional Video35:17
Curated Video

Similarity in shapes

Pre-K - Higher Ed
Pupil outcome: I can recognise that similar shapes have sides in proportion to each other but angle sizes are preserved. Key learning points: - Two shapes are not similar if there is a pair of lengths with a different multiplicative...
Instructional Video34:59
Curated Video

Investigating transformations with Desmos

Pre-K - Higher Ed
Pupil outcome: I can investigate transformations using dynamic software Key learning points: - Dynamic software is a tool that can be used to explore transformations. - There are many benefits to using this tool. - Different...
Instructional Video9:57
Curated Video

Dimensional Change 2 (practice and applications)

6th - Higher Ed
In this video, we practice calculating how volume and surface area would change as we change the linear dimensions of 3d figures.
Instructional Video6:43
Curated Video

Dilations from a Non-Origin Center

6th - Higher Ed
In this video, we will dilate figures on the coordinate plane when the center of dilation is not the origin. The first example is a standard dilation (enlargement) with a non-origin center, and the second example gives you both the...
Instructional Video6:34
Curated Video

Dilations from the Origin

6th - Higher Ed
In this video, we learn how to dilate figures from the origin. We do one example that is an ENLARGEMENT (has a scale factor greater than 1), and another example that is a REDUCTION (scale factor that is between 0 and 1).
Instructional Video3:03
The Daily Conversation

Amazing Images of a Changing Earth, From Space

6th - Higher Ed
Satellite images show how fast the Earth is changing due to things like melting glaciers, wildfires, dams, and growing cities. These changes can affect people’s lives, such as forcing them to move or losing access to water and land....
Instructional Video3:18
The Daily Conversation

Before-And-After Satellite Images of Earth from Space

6th - Higher Ed
These images show how quickly Earth’s environment can change, from shrinking lakes like the Aral Sea to melting glaciers and wildfires in Yellowstone. Human actions like farming, building dams, and digging for oil are also changing...
Instructional Video12:28
Curated Video

What did People from the Past REALLY look like? Portraits are the Original Photo Filters

Pre-K - Higher Ed
This video uncovers the hidden secrets in historical portraits, like the altered image of Isabella de Medici, and explores how art has long been used to manipulate appearances. We dive into the symbolism, cultural beauty standards, and...