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Curated Video
Checking and securing understanding of congruent triangles (RHS)
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...
Curated Video
Checking and securing understanding of congruent triangles (ASA)
Pupil outcome: I can understand and use the criteria by which triangles are congruent (ASA). Key learning points: - By knowing two angles and the length between them in the triangle and image, you can prove congruence. - The angle pairs...
Curated Video
Perpendicular bisector of a line segment
Pupil outcome: I can use the properties of a rhombus to construct a perpendicular bisector of a line segment. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles. - The diagonals of a rhombus meet...
Curated Video
Perimeter of composite shapes
Pupil outcome: I can solve perimeter problems of composite shapes involving whole and/or part circles. Key learning points: - The length of fractions of the circumference of a circle can be found. - The perimeter of parts of a circle can...
Curated Video
Perpendicular to a given line through a given point
Pupil outcome: I can use the properties of a rhombus to construct a perpendicular to a given line through a given point. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles. - This can be used to...
Curated Video
Calculating the area of any triangle when the height is not known
Pupil outcome: I can use the formula for the area of any triangle. Key learning points: - The formula for the area of any triangle can be used if the lengths of 2 sides are known - The size of the angle between the two sides must also be...
Curated Video
Checking and securing understanding of constructing a perpendicular to a given line through a point
Pupil outcome: I can use the properties of a rhombus to construct a perpendicular to a given line through a given point. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles. - This can be used to...
Curated Video
The perpendicular from the centre of a circle to a chord bisects the chord
Pupil outcome: I can derive and use the theorem: the perpendicular from the centre of a circle to a chord bisects the chord. Key learning points: - A theorem is a statement that can be demonstrated to be true by accepted mathematical...
Curated Video
Constructing a triangle given two side lengths and an angle not between them
Pupil outcome: I can construct a triangle from two side lengths and an angle not between them. Key learning points: - The first side can be drawn accurately with a ruler - All triangles with these measurements in the same place are...
Curated Video
Checking and securing understanding of constructing the perpendicular bisector of a line segment
Pupil outcome: I can use the properties of a rhombus to construct a perpendicular bisector of a line segment. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles - The diagonals of a rhombus meet at...
Curated Video
Constructing a triangle given two angles and the side length between them
Pupil outcome: I can construct a triangle given two angles and the side length between them. Key learning points: - The side can be drawn accurately with a ruler - Both angles should be accurately measured with a protractor - Where the...
Curated Video
Checking understanding of angles from KS2
Pupil outcome: I can calculate with angles at a point, angles on a line and vertically opposite angles. Key learning points: - Angles that meet at a point can be identified in diagrams. - Angles that make a straight line can be...
Curated Video
Formal angle notation
Pupil outcome: I can use conventional terms and notations for lines, rays, segments and angles. Key learning points: - It is important to use and understand the mathematical word line. - It is important to use and understand the...
Curated Video
Constructing a triangle given three side lengths using compasses
Pupil outcome: I can construct a triangle given the three required side lengths. Key learning points: - The first side can be drawn accurately with a ruler - A pair of compasses should be used to indicate potential positions for the...
Curated Video
Checking and securing understanding of the parts of a circle
Pupil outcome: I can identify the parts of a circle, including finding the area and perimeter of a sector. Key learning points: - A chord splits the circle into two uneven pieces - The smaller piece is the minor segment and the larger is...
Curated Video
Constructing loci
Pupil outcome: I can construct a set of points that satisfy a set of conditions. Key learning points: - Constructing a set of points a set distance from a given point produces a circle - A compass should be used for this construction -...
Curated Video
Checking and securing understanding of circles
Pupil outcome: I can identify the parts of a circle and calculate the perimeter and area of a circle. Key learning points: - A chord splits the circle into two uneven pieces. - The smaller piece is the minor segment and the larger is the...
Curated Video
Checking and securing understanding of angle notation and drawing/measuring angles
Pupil outcome: I can draw and measure any angle and am confident with various angle notations. Key learning points: - A protractor is used to draw angles. - A protractor is used to measure the size of angles. - A protractor measures...
Curated Video
Checking understanding of pie charts
Pupil outcome: I can construct and interpret pie charts. Key learning points: - Certain data is suitable for a pie chart. - The shape of the chart can be estimated from the data. - For larger data sets, technology can make constructing...
Curated Video
Solving loci problems in context
Pupil outcome: I can solve problems involving a combination of loci. Key learning points: - Loci problems involve performing various constructions - The problem asks for these constructions within the context of the question - All...
Curated Video
Checking and securing understanding of reading from context-based graphs
Pupil outcome: I can interpret graphs that model real-life situations graphically. Key learning points: - Distance-time graphs can tell you about a journey. - By reading the graph, you can tell if there is mistake with it.
Curated Video
Problem solving with angles
Pupil outcome: I can use my knowledge of angles 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 be...
Curated Video
Multiplicative relationships in circles
Pupil outcome: I can recognise that there is a constant multiplicative relationship (π) between the diameter and circumference of a circle. Key learning points: - There is a multiplicative relationship between the radius and diameter of...
Curated Video
Rotating objects
Pupil outcome: I can rotate objects using information about centre, size and direction of rotation Key learning points: - Tracing paper can be a helpful tool to perform a rotation. - The image and the object should be congruent. - Unless...