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Curated Video
Interior angles of a polygon
Pupil outcome: I can find the interior angle of any polygon. Key learning points: - Any polygon can be split into triangles. - Using these triangles you can demonstrate the rule for the interior angle sum of a polygon. - A missing...
Curated Video
The sum of the interior angles of any triangle
Pupil outcome: I can demonstrate and prove that in a triangle, the sum of the interior angles is 180°. Key learning points: - By considering a number of different triangles you can demonstrate facts about the angles in triangles. - The...
Curated Video
Pythagoras' theorem in context
Pupil outcome: I can use and apply Pythagoras' theorem to solve problems in a range of contexts. Key learning points: - Within context, it can be difficult to initially identify whether Pythagoras' theorem can be used. - Pythagoras'...
Curated Video
Understanding the centre of rotation
Pupil outcome: I can understand the minimum information required to fully describe a rotation. Key learning points: - The centre of rotation can be on a vertex of the object . - The centre of rotation can be lying inside the object . -...
Curated Video
Constructing a right-angled triangle given the length of the hypotenuse and one other side length
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...
Curated Video
The tangent at any point on a circle is perpendicular to the radius at that point
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...
Curated Video
Ratios in line segments on coordinate axes
Pupil outcome: I can use ratios to divide a line segment and find the coordinates of a point on the line. Key learning points: - Your knowledge of ratios can be applied here. - The ratio can be applied to both the x and y distances. -...
Curated Video
Constructing a triangle given two side lengths and the angle between them using a compass
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...
Curated Video
Parallel and perpendicular lines on coordinate axes
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...
Curated Video
Checking and securing understanding on chains of reasoning with angle facts
Pupil outcome: I can reason mathematically using my knowledge of angle facts. Key learning points: - Alternate, corresponding and co-interior angles can be identified in diagrams containing pairs of parallel lines. - Facts about angles...
Curated Video
Checking and securing understanding of congruent triangles (SSS)
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...
Curated Video
Checking and securing understanding of reflection
Pupil outcome: I can describe a reflection and perform a given reflection on an object. Key learning points: - The line of reflection can be vertical/horizontal/diagonal. - The line of reflection may go through part of the object. - The...
Curated Video
Problem solving with polygons
Pupil outcome: I can use my knowledge of polygons to solve problems. Key learning points: - Problems can be solved using parallel line angle facts. - Problems can be solved using interior and exterior angles of polygons. - Problems can...
Curated Video
Congruent triangles (SAS)
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...
Curated Video
Problem solving with loci and constructions
Pupil outcome: I can use my knowledge of loci and constructions to solve problems. Key learning points: - Your knowledge of loci can be applied to your knowledge of bearings - Your knowledge of loci can be used to help solve area problems
Curated Video
Checking and securing understanding of area for standard shapes
Pupil outcome: I can calculate the area of rectangles, triangles, parallelograms and trapeziums efficiently. Key learning points: - The formula for the area of a rectangle is bh - The formula for the area of a parallelogram is bh - The...
Curated Video
Advanced problem solving with loci and constructions
Pupil outcome: I can use my knowledge of loci and constructions to solve problems. Key learning points: - Your knowledge of loci can be applied to your knowledge of bearings - Your knowledge of loci can be used to help solve area problems
Curated Video
Checking and securing understanding of advanced angle facts
Pupil outcome: I can recognise equal corresponding angles, equal alternate angles and supplementary co-interior angles. Key learning points: - Corresponding angles are equal if they are on parallel lines and the same side of the...
Curated Video
Checking and securing understanding of interior angles
Pupil outcome: I can find the interior angle of any regular polygon or deduce the interior angle of an irregular polygon. Key learning points: - Any polygon can be split into triangles. - Using these triangles you can demonstrate the...
Curated Video
Constructing triangles
Pupil outcome: I can use intersecting circles to construct triangles from given lengths. Key learning points: - A construction is an accurate drawing made using geometrical properties. - A scalene triangle can be constructed using...
Curated Video
Alternate angles
Pupil outcome: I can recognise that a pair of parallel lines traversed by a straight line produces equal alternate angles. Key learning points: - Alternate angles can be identified in an arrangement of 3 line segments. - If two of the...
Curated Video
Securing understanding of angles from KS2
Pupil outcome: I can confidently state the sums of the angles around a point and on a straight line. Key learning points: - The sum of angles at a point can be used to find missing angles. - The angle sum of a straight line can be used...
Curated Video
Geometry and Measurements: Geometric Transformation
By the end of this learning object, the student will be able to: Summarize the lesson.87618
Curated Video
Geometry and Measurements: The Translation of a Point and a Line Segment
By the end of this learning object, the student will be able to: Identify the translation of a point and a line segment.87118