Instructional Video24:23
Curated Video

Checking and securing understanding of Pythagoras' theorem

Pre-K - Higher Ed
Pupil outcome: I can use Pythagoras' theorem to find the length of any side of a right-angled triangle. Key learning points: - The sum of the squares of the two shorter sides equals the square of the longest side. - The longest side is...
Instructional Video20:00
Curated Video

Calculating the length of a line segment

Pre-K - Higher Ed
Pupil outcome: I can calculate the length of a line segment on a coordinate grid in all four quadrants or using the coordinate pairs. Key learning points: - Any line segment can be turned into a right-angled triangle by adding two lines...
Instructional Video22:31
Curated Video

Checking and further securing understanding of Pythagoras' theorem

Pre-K - Higher Ed
Pupil outcome: I can use Pythagoras' theorem to calculate the length of a side of a right-angled triangle. Key learning points: - The sum of the squares of the two shorter sides equals the square of the longest side - The longest side is...
Instructional Video24:30
Curated Video

Applying Pythagoras' theorem in 3D

Pre-K - Higher Ed
Pupil outcome: I can apply knowledge of Pythagoras' theorem to 3D problems. Key learning points: - For packing efficiency, it can be useful to know the length of the longest diagonal - This would be from a bottom corner of a rectangular...
Instructional Video18:49
Curated Video

Using Pythagoras' theorem to justify a right-angled triangle

Pre-K - Higher Ed
Pupil outcome: I can use Pythagoras' theorem to justify whether a triangle is right-angled. Key learning points: - For a triangle to be right-angled, Pythagoras' theorem must hold - By substituting in the three lengths, you can show...
Instructional Video20:00
Curated Video

Calculating the magnitude of a vector

Pre-K - Higher Ed
Pupil outcome: I can calculate the magnitude of a vector using Pythagoras' theorem. Key learning points: - A vector's magnitude can be calculated. - This is the same as calculating the length of a line. - Pythagoras' theorem can be used.
Instructional Video20:03
Curated Video

Checking and securing understanding of congruent triangles (RHS)

Pre-K - Higher Ed
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...
Instructional Video32:08
Curated Video

Demonstrating Pythagoras' theorem

Pre-K - Higher Ed
Pupil outcome: I can appreciate there is a relationship between the lengths of the sides of a right-angled triangle. Key learning points: - A visual approach can help you understand the structure behind Pythagoras' theorem. - There is a...
Instructional Video5:30
Curated Video

Phythaforas' Theorem: Finding the Circumference of a Circle

9th - 12th
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1H Q6, which involves chords and diameter of a circle. Learners are given some information and they need to use the Pythagorean theorem and use the...
Instructional Video5:16
Curated Video

Finding the Length of a Triangle's Side Using Pythagoras' Theorem

9th - 12th
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q8, which involves finding the length of a triangle's side. Students will understand the concept of Pythagoras' theorem and how it can be...