Instructional Video29:39
Curated Video

Applying the criteria for congruence

Pre-K - Higher Ed
Pupil outcome: I can identify congruent triangles and prove why they are congruent. Key learning points: - If two triangles are congruent, then one of the proven criteria must apply. - By stating the criteria (that you have already...
Instructional Video30:58
Curated Video

Constructing a right-angled triangle given the length of the hypotenuse and one other side length

Pre-K - Higher Ed
Pupil outcome: I can construct a right-angled triangle given the length of the hypotenuse and one other side length. Key learning points: - The shorter side can be drawn accurately with a ruler - The perpendicular through the end point...
Instructional Video31:31
Curated Video

Constructing a triangle given two side lengths and the angle between them using a compass

Pre-K - Higher Ed
Pupil outcome: I can construct a triangle given two of the required side lengths and the size of the angle between them. Key learning points: - The first side can be drawn accurately with a ruler - The compass should be used to indicate...
Instructional Video32:10
Curated Video

Checking and securing understanding of congruent triangles (SSS)

Pre-K - Higher Ed
Pupil outcome: I can understand and use the criteria by which triangles are congruent (SSS). Key learning points: - By knowing the three side lengths of the triangle and its image, you can prove congruence. - If congruent, the same...
Instructional Video32:12
Curated Video

Multiple approaches to logical arguments

Pre-K - Higher Ed
Pupil outcome: I can construct a logical argument. Key learning points: - A logical argument does not have to only be algebraic. - Geometrical reasoning can be used to argue that something is true. - Values can be used to demonstrate...
Instructional Video32:12
Curated Video

Congruent triangles (ASA and AAS)

Pre-K - Higher Ed
Pupil outcome: I can appreciate and use the criteria by which triangles are congruent (ASA and AAS). Key learning points: - By knowing two angles and a length in the triangle and image, you can prove congruence. - The angle pairs must be...
Instructional Video32:57
Curated Video

Congruent triangles (SAS)

Pre-K - Higher Ed
Pupil outcome: I can appreciate 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...
Instructional Video31:28
Curated Video

Congruence in shapes

Pre-K - Higher Ed
Pupil outcome: I can recognise that for congruent shapes both side lengths and angle sizes are preserved. Key learning points: - Two shapes are not congruent if there is a pair of lengths with a scalar not equal to one. - Congruent does...
Instructional Video34:59
Curated Video

Congruent triangles (SSS)

Pre-K - Higher Ed
Pupil outcome: I can appreciate and use the criteria by which triangles are congruent (SSS). Key learning points: - By knowing the three side lengths of the triangle and its image, you can prove congruence. - The corresponding angle...
Instructional Video2:10
Curated Video

Geometry and Measurement: The Cube and The Cuboid

K - 8th
By the end of this learning object, the student will be able to: Recognize the cube and the cuboid.4464
Instructional Video1:28
Curated Video

Concepts and measurement: Congruence

K - 8th
By the end of this learning object, the student will be able to: Recognize the congruent meaning at line segment, angles, polygons, and the real life shapes.4596
Instructional Video1:35
Curated Video

Concepts and measurement: Constructing an Angle Congruent to a Given Angle

K - 8th
By the end of this learning object The learner will be able to: Construct a congruent angle to a given angle.4676
Instructional Video4:19
Curated Video

How to Find the Surface Area of Rectangular Prisms

9th - Higher Ed
In this video, the teacher demonstrates two methods for finding the surface area of a rectangular prism: creating a net by unfolding the prism and calculating the area of each face, or using a formula involving the area of the base and...
Instructional Video5:27
Curated Video

GCSE Maths - Congruent Triangle Rules #103

9th - Higher Ed
This video explains how to tell whether 2 triangles are congruent using 4 rules: SSS, SAS, AAS, RHS. This video is suitable for maths courses around the world. KS3 - Not on your course GCSE Foundation - All on your course GCSE Higher -...
Instructional Video2:11
Curated Video

GCSE Maths - Congruent Shapes #.102

9th - Higher Ed
This video explains what congruent shapes are. I.e. shapes that are the same shape and size, but may have different orientation (e.g. could have been rotated or reflected). This video is suitable for maths courses around the world. KS3 -...
Instructional Video6:15
Curated Video

Congruent Figures and Lines of Symmetry

3rd - Higher Ed
Mr. Addit defines the terms: congruent figures and lines of symmetry. He then models how to determine if figures are congruent and where lines of symmetry can be drawn.
Instructional Video5:04
Curated Video

Similar Triangles & Slope | 8.EE.B.6

9th - 12th
In this math video we will discuss similar triangles & slope. We will be presented with the graph of a line and two triangles arranged with their longest side on the line. We will have four statements to choose the one statement that...
Instructional Video4:54
Curated Video

Congruent Angles formed by Parallel Lines & a Transversal | 8.G.A.5

9th - 12th
In this math video we will learn about congruent angles formed by parallel lines & a transversal. We will review the definitions of vertical angles, alternate interior angles and alternate exterior angles. We will also apply these...
Instructional Video4:08
Curated Video

Congruent Triangles & Their Angle Measures | 8.G.A.5

9th - 12th
In this math video we will learn about congruent triangles & their angle measures. We will review the definition of congruent figures which is that congruent figures have corresponding sides and corresponding angles that are congruent....
Instructional Video4:00
Rock 'N Learn

What are Fractions?

K - 5th
What are fractions? You will learn how fractions are a way of writing the part or parts of something. All fractions have a numerator and a denominator. Parts that are the same size and shape are called congruent parts.
Instructional Video2:20
Curated Video

Translations & Congruency | 8.G.A.1

9th - 12th
In this math video we will learn about the relationship between translations & congruency. We will review how to perform a translation by translating a line segment four units right and four units down in a coordinate plane. We will find...
Instructional Video5:53
Curated Video

Transformations: Congruent or Not Congruent | 8.G.A.2

9th - 12th
In this math video we will be discussing transformation and congruent or not congruent. We will identify the four types of transformations to be translation, reflection, rotation, and dilation. We will understand a translation to result...
Instructional Video6:23
Curated Video

Geometric Transformations

K - Higher Ed
This video illustrates the sequence that a geometric figure takes through a transformation. Transformations may include translations, reflections, and/or rotations.
Instructional Video6:30
Curated Video

Proofs Using CPCTC

K - 8th
Congruent triangles are two triangles that share the same shape and size, but their positioning may be different. If you know that two triangles are congruent, you can prove every corresponding angle and every corresponding side is...