Instructional Video21:42
Curated Video

Explain how to calculate the area of a parallelogram

Pre-K - Higher Ed
Pupil outcome: I can recall and explain how to calculate the area of a parallelogram. Key learning points: - The area of a parallelogram is equal to the area of the rectangle created by rearranging the parts. - Any parallelogram has a...
Instructional Video21:40
Curated Video

Use the area of a parallelogram formula to calculate unknown measurements

Pre-K - Higher Ed
Pupil outcome: I can use the area of a parallelogram formula to calculate unknown measurements. Key learning points: - The area of a parallelogram is equal to its base multiplied by its perpendicular height. - If the area of a...
Instructional Video19:40
Curated Video

Draw polygons on isometric paper

Pre-K - Higher Ed
Pupil outcome: I can draw polygons on isometric paper. Key learning points: - Different patterns on the paper allow you to draw polygons with different properties. - A ruler helps to draw shapes accurately. - Mark the vertices of the...
Instructional Video20:13
Curated Video

Construct quadrilaterals with and without parallel and perpendicular sides

Pre-K - Higher Ed
Pupil outcome: I can use equipment to construct and compare quadrilaterals with and without parallel and perpendicular sides. Key learning points: - Construction strips allow you to create different polygons. - Lines are perpendicular...
Instructional Video19:54
Curated Video

Make and draw triangles on circular geoboards

Pre-K - Higher Ed
Pupil outcome: I can make and draw triangles on circular geoboards. Key learning points: - Three points on a geoboard can be joined to make a triangle. - Triangles can have different properties. - Different triangles can be created on...
Instructional Video20:31
Curated Video

Draw shapes with given properties

Pre-K - Higher Ed
Pupil outcome: I can draw quadrilaterals and other polygons with given properties. Key learning points: - If you know the properties of a shape you can use a ruler and a grid to create it. - Lines are perpendicular when they are at right...
Instructional Video20:02
Curated Video

Area of a triangle

Pre-K - Higher Ed
Pupil outcome: I can derive the formula for the area of a triangle. Key learning points: - It is possible to find a relationship between triangles and parallelograms. - You can use this relationship to find a formula for the area of a...
Instructional Video22:07
Curated Video

Problem solving with perimeter and area

Pre-K - Higher Ed
Pupil outcome: I can use my knowledge of perimeter and area to solve problems. Key learning points: - Problems in context involving perimeter can be solved. - Problems in context involving area can be solved. - The units of measurement...
Instructional Video18:38
Curated Video

Using the formula for the area of a triangle

Pre-K - Higher Ed
Pupil outcome: I can use the formula for the area of a triangle to calculate missing side lengths. Key learning points: - 0.5 x base x perpendicular height can be used to find the area of any triangle. - Missing sides can be found if the...
Instructional Video24:26
Curated Video

Identifying which circle theorem to use

Pre-K - Higher Ed
Pupil outcome: I can analyse a circle problem and identify and use an appropriate circle theorem to solve it.

Key learning po
ints:
- There are many circle theorems so it is important to be clear abou
t each one
- Extra...
Instructional Video26:19
Curated Video

Checking and securing understanding of constructing the perpendicular bisector of a line segment

Pre-K - Higher Ed
Pupil outcome: I can use the properties of a rhombus to construct a perpendicular bisector of a line segment. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles - The diagonals of a rhombus meet at...
Instructional Video25:54
Curated Video

The tangents from an external point are equal in length

Pre-K - Higher Ed
Pupil outcome: I can derive and use the theorem: the tangents from an external point are equal in length. Key learning points: - A theorem is a statement that can be demonstrated to be true by accepted mathematical operations and...
Instructional Video26:05
Curated Video

Use the area of a triangle to calculate unknown measurements

Pre-K - Higher Ed
Pupil outcome: I can calculate unknown dimensions of a triangle with a specified area. Key learning points: - The area of a triangle is half the area of a parallelogram with the same perpendicular base and height. - The area of a...
Instructional Video29:44
Curated Video

Identifying perpendicular linear graphs

Pre-K - Higher Ed
Pupil outcome: I can identify, from their equations or graphs, whether two lines are perpendicular. Key learning points: - If two equations are written in the form y = mx + c then you can identify if they are perpendicular. - If the...
Instructional Video29:28
Curated Video

Solving loci problems in context

Pre-K - Higher Ed
Pupil outcome: I can solve problems involving a combination of loci. Key learning points: - Loci problems involve performing various constructions - The problem asks for these constructions within the context of the question - All...
Instructional Video30:23
Curated Video

The tangent at any point on a circle is perpendicular to the radius at that point

Pre-K - Higher Ed
Pupil outcome: I can derive and use the theorem: the tangent at any point on a circle is perpendicular to the radius at that point. Key learning points: - A theorem is a statement that can be demonstrated to be true by accepted...
Instructional Video32:35
Curated Video

Parallel and perpendicular lines on coordinate axes

Pre-K - Higher Ed
Pupil outcome: I can solve problems involving parallel/perpendicular lines on coordinate axes. Key learning points: - Parallel lines have the same gradient. - The product of the gradients of two perpendicular lines is -1 - Your knowledge...
Instructional Video33:43
Curated Video

Problem solving with circle theorems

Pre-K - Higher Ed
Pupil outcome: I can use my knowledge of circle theorems to solve problems. Key learning points: - Circle theorems can be used in situations involving circles - It is not always obvious that a circle theorem can be used - Sometimes you...
Instructional Video35:10
Curated Video

Perpendicular linear graphs

Pre-K - Higher Ed
Pupil outcome: I can prove the relationship between the gradients of perpendicular lines. Key learning points: - Two lines are perpendicular if they meet at right angles. - The product of the gradients of two perpendicular lines is -1 -...
Instructional Video0:58
Curated Video

Centripetal Force Explained: Why It's Perpendicular to Velocity

12th - Higher Ed
Discover the fundamental reason why centripetal force always acts perpendicular to an object's velocity in circular motion. This video uses a clear visual example to illustrate this key physics concept.
Instructional Video7:11
Curated Video

Angular Momentum of a Particle: Definition and Relation to Torque

12th - Higher Ed
This content defines angular momentum (ℓ) for a particle as the cross product of its position vector (r) and linear momentum (p), i.e., ℓ=r×p=m(r×v). It clarifies that angular momentum is a vector quantity defined with respect to a...
Instructional Video6:20
Curated Video

Writing Equations of Parallel and Perpendicular Lines

6th - Higher Ed
In this video, we write equations of lines that are parallel and perpendicular to a given line.
Instructional Video3:09
Wonderscape

Classifying Triangles by Their Angles: Acute, Right, and Obtuse

K - 5th
Triangles can also be classified based on their angles. An acute triangle has all three angles less than 90 degrees, a right triangle has one angle exactly 90 degrees, and an obtuse triangle has one angle greater than 90 degrees. No...
Instructional Video0:47
Curated Video

Polo

3rd - 8th
Los polos orbitales son las dos regiones de un planeta que están situadas en los extremos de su eje de rotación. <br/<br/>>

Twig - Física