SciShow
The Stroop Task: The Psych Test You Cannot Beat
The task sounds like it should be pretty easy, but the Stroop task is a fantastic, and very well studied, example of how your brain’s automatic processing can trip you up!
TED-Ed
TED-ED: How to prove a mathematical theory - Scott Kennedy
Euclid of Alexandria revolutionized the way that mathematics is written, presented or thought about, and introduced the concept of mathematical proofs. Discover what it takes to move from a loose theory or idea to a universally...
Curated Video
Similar By Aa Criterion
A video entitled "Similar by AA Criterion" which clarifies that if two pairs of corresponding angles are congruent, then the triangles are similar.
Curated Video
How to Use Body Language to Flirt
Howcast - Learn how to use body language to flirt in this Howcast video.
Curated Video
How to Read Your Own Body Language
Howcast - Learn how to read your own body language in this Howcast video.
Curated Video
Two congruent triangles can be arranged to compose a parallelogram
Pupil outcome: I can explain how two congruent triangles can arranged to compose a parallelogram. Key learning points: - The area of a triangle is equal to half the area of the parallelogram you create from 2 congruent triangles. - Any...
Curated Video
Solve problems involving missing coordinates
Pupil outcome: I can solve problems involving missing coordinates Key learning points: - Coordinate grids are not always presented with grid lines, and the axes are not always fully-labelled. - When this is the case, it is essential to...
Curated Video
Checking understanding of basic transformations
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...
Curated Video
Translating objects
Pupil outcome: I can translate objects from information given in a variety of forms. 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 drawn. -...
Curated Video
Checking and securing understanding of translations
Pupil outcome: I can describe a translation using column notation and carry out the translation of a point. Key learning points: - It can be helpful to choose a vertex and translate that. - Once all the vertices have been translated, the...
Curated Video
Checking and securing understanding of accurate drawings
Pupil outcome: I can accurately construct circles and triangles using a pair of compasses and protractor respectively. Key learning points: - A pair of compasses can be used to draw a circle with a particular radius. - A ruler and...
Curated Video
Checking and securing understanding of congruent triangles (RHS)
Pupil outcome: I can understand and use the criteria by which triangles are congruent (RHS). Key learning points: - For a right-angled triangle, you need the hypotenuse and one other side length to prove congruence. - Right-angled...
Curated Video
Checking and securing understanding of congruent triangles (ASA)
Pupil outcome: I can understand and use the criteria by which triangles are congruent (ASA). Key learning points: - By knowing two angles and the length between them in the triangle and image, you can prove congruence. - The angle pairs...
Curated Video
Checking understanding of congruence
Pupil outcome: I can translate, reflect and rotate a shape. Key learning points: - Translation, reflection and rotation produce an image congruent to the object. - Translation involves moving the shape. - Rotation involves turning the...
Curated Video
Congruent, similar or neither
Pupil outcome: I can differentiate between shapes which are congruent or similar or neither. Key learning points: - If two shapes are congruent, then they are similar. - Congruent shapes have a scalar of one. - A ratio table can be a...
Curated Video
Checking and securing understanding of constructing a perpendicular to a given line through a point
Pupil outcome: I can use the properties of a rhombus to construct a perpendicular to a given line through a given point. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles. - This can be used to...
Curated Video
Constructing a triangle given two side lengths and an angle not between them
Pupil outcome: I can construct a triangle from two side lengths and an angle not between them. Key learning points: - The first side can be drawn accurately with a ruler - All triangles with these measurements in the same place are...
Curated Video
Constructing a triangle given two angles and the side length between them
Pupil outcome: I can construct a triangle given two angles and the side length between them. Key learning points: - The side can be drawn accurately with a ruler - Both angles should be accurately measured with a protractor - Where the...
Curated Video
Checking and securing understanding of congruent triangles (SAS)
Pupil outcome: I can understand and use the criteria by which triangles are congruent (SAS). Key learning points: - By knowing two side lengths and the angle between them in the triangle and image, you can prove congruence. - The angle...
Curated Video
Bisecting an angle
Pupil outcome: I can use the properties of a rhombus to construct an angle bisector. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles. - The diagonals of a rhombus bisect the angles. - It is...
Curated Video
Constructing a triangle given three side lengths using compasses
Pupil outcome: I can construct a triangle given the three required side lengths. Key learning points: - The first side can be drawn accurately with a ruler - A pair of compasses should be used to indicate potential positions for the...
Curated Video
Transformed objects
Pupil outcome: I can identify whether a shape has been transformed or not. Key learning points: - There are clues that can be looked for to determine if a shape has been transformed. - If the size has changed, one shape may be an...
Curated Video
Checking and securing understanding of bisecting an angle
Pupil outcome: I can use the properties of a rhombus to construct an angle bisector. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles - The diagonals of a rhombus bisect the angles - It is...
Curated Video
Checking and securing understanding of congruence and similarity
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...