Pupil outcome: I can construct a whole when given a part and the number of parts. Key learning points: - When constructing a whole, you can start with the part. - To construct a whole, you need to know how many parts make it up and...

Pupil outcome: I can identify equal parts when they do not look the same. Key learning points: - Equal parts do not have to look the same. - Equal parts of a whole can be different shapes. - A whole can be made from equal parts that are...

Pupil outcome: I know that the angles in a triangle sum to 180°. Key learning points: - Angles on a straight line sum to 180 degrees. - Interior angles in triangles sum to 180 degrees. - Missing angles can be calculated using the sum of...

Pupil outcome: I can use my knowledge of place value to solve problems. Key learning points: - Measures are not always presented in the same format. - Sometimes a measure must be converted into a desired format. - Real-life context can...

Pupil outcome: I can understand how maths is used by engineers. Key learning points: - Fractions are more useful when dealing with imperial measurements - Pythagoras' theorem is used when considering force diagrams - Standard form is...

Pupil outcome: I can use different properties to identify and sort triangles. Key learning points: - Triangles always have three sides, vertices and angles. - Triangles always have straight sides and sharp vertices. - Triangles can have...

Pupil outcome: I can recognise and describe polygons including triangles and quadrilaterals. Key learning points: - The names of polygons are linked to the number of sides/vertices they have. - A quadrilateral is any polygon with 4...

Pupil outcome: I can explore, discuss, compare and sort 2D shapes. Key learning points: - Use everyday language to compare shapes e.g. wide, narrow, tall, short. - Be able to count the sides and vertices of different 2D shapes. -...

Pupil outcome: I can say if a shape is a triangle or not and explain why. Key learning points: - Use everyday language to describe what different shapes look like. - Identify shapes that are triangles because they have 3 straight sides...

How do you prove circle theorems? In this video, we perform some "lazy" proofs that justify some of the relationships like the relationship between an inscribed angle and a central angle, the angle formed by intersecting secants, the...

In this video we learn how to find missing side lengths using the geometric mean. This video doesn't go into depth about WHY these relationships exist, this is more of just the "how" to use them. This video also does not explain all of...

In this video, we derive the rule for the sum of the interior angles of a polygon: 180(n-2). The formula is derived by taking the number of sides, subtract two (to find the number of triangles), and then multiply by 180. At the end of...

How to solve problems with bearing using trigonometry. Bearing is often used as a way of describing direction in sailing and navigation. Once you know the basic definitions and some trigonometry, you can use bearing to find direction and...

How to use the Law of Sines to find sides and angles. In this video, we will see how to use the Law of Sines in two practice problems. We will first solve for a side length in a triangle, then we will solve for an angle.

How do you find the area of a triangle when you don't know the height? This video shows how you can use Heron's Formula to find area of any triangle when you know the lengths of all three sides. This is derived from the law of cosines...

How do you graph y=tan(x) and y=cot(x)? Why do the graphs look the way they do? How do I know where the asymptotes and zeros are for each graph? This video answers all these questions and derives the graphs for these two periodic trig...

In this video, we learn how to dilate figures from the origin. We do one example that is an ENLARGEMENT (has a scale factor greater than 1), and another example that is a REDUCTION (scale factor that is between 0 and 1).

In this video, we investigate how and why geometric mean can be used to find missing side lengths in certain triangles.

We all know the Pythagorean Theorem, but what can we conclude if a^2 + b^2 is NOT equal to c^2?

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...