Curated Video
Real-Life Problems
New ReviewA video entitled "Real-Life Problems" which talks about right triangle situations in life.
Curated Video
Use Pythagorean Theorem
New ReviewA video entitled "Use Pythagorean Theorem" which gives real-life situations where the Pythagorean theorem can apply.
Curated Video
Identify and describe right angles
Pupil outcome: I can identify a square corner as a right angle and can find and identify right angles in the environment. Key learning points: - A right angle is a square corner. - A right angle is a quarter turn. - There are right...
Curated Video
Review understanding and identification of right angles
Pupil outcome: I can recall understanding and identification of right angles. Key learning points: - A right angle is a square corner. - A right angle is a quarter turn. - There are right angles in buildings and the environment.
Curated Video
Use the terms acute, obtuse and reflex when comparing angles to a right angle
Pupil outcome: I can use the terms acute, obtuse and reflex when comparing angles to a right angle. Key learning points: - Angles are marked with a curve between the lines which have been rotated - Angles with a bigger turn are larger...
Curated Video
Polarisation
Polarisation is the process by which a transverse wave, such as a light wave is made to oscillate in one plane only. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
The Tunnel of Samos
How the ancient Greeks were able to use trigonometry to build the first aqueduct, tunnelling from two sides of a mountain to meet in the middle. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Geometry: Euclid
Although little is known about his life, through his textbook, 'The Elements', Euclid has become possibly the most prolific maths teacher ever. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Proving Pythagoras
Understand how Pythagoras's Theorem is applied, why it holds true, and how we know that Pythagoras did not, in fact, discover it. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
Transverse wave
A moving wave in which the oscillations of the medium are at a right angle to the direction of travel. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
How to Introduce Angles to Kids
We are getting to know angles with this quirky activity. I love how Alex's face lights up when he sees that a number of angles in each digit corresponds to its value.
Curated Video
Types of Angles
In this video we explain the different types of angles in maths. We explain acute angles, right angles, straight angles, obtuse angles, reflex angles and full rotations. Two sets of practice questions and answers are at the end of the...
Curated Video
Measuring Angles with a Protractor
Mr. Addit reviews right angles, acute angles and obtuse angles. He then measures a few angles. Next, he estimates the measurement of a couple angles and then measures to see how well he estimated.
Curated Video
Acute, Obtuse, and Right Angles
Mr. Addit reviews the definition of “angle.” He then reviews right angle, acute angle, and obtuse angle and provides examples of each.
Curated Video
Subtract Angles
The video “Subtract Angles” reviews types of angles and demonstrates how to find unknown angle measures by using a subtraction equation with a symbol for the unknown angle measure.
Visual Learning Systems
Perimeter and Area: Summing Up (Perimeter and Area)
In this series of programs students are introduced to perimeter and area. Easy-to-understand examples enable students to understand the process by which perimeter is calculated. The area of rectangles, parallelograms, and triangles is...
Brian McLogan
Tangent difference of two angles identities using triangles
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Let's Tute
Pythagoras Theorem explained
This video explains about Pythagoras Theorem with the help of an activity.
Visual Learning Systems
Perimeter and Area: What Is Perimeter?
In this series of programs students are introduced to perimeter and area. Easy-to-understand examples enable students to understand the process by which perimeter is calculated. The area of rectangles, parallelograms, and triangles is...
Brian McLogan
Determining multiple missing values using congruent polygons
👉 Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the...
Brian McLogan
What is an obtuse triangle
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Brian McLogan
What are complementary angles
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
Brian McLogan
What are acute, obtuse, right, and straight angles
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
Brian McLogan
Finding the height of a rhombus using pythagorean theorem
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...