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PBS
Dissecting Hypercubes with Pascal's Triangle
What does the inside of a tesseract look like? Pascal's Triangle can tell us.
PBS
Are Space and Time An Illusion?
This episode of Space Time is actually about Spacetime, so pull up a chair, grab your favorite snack, and buckle up, because this episode is going to be a TRIP. Gabe explores what reality is, what "time" is, and why what you think those...
Curated Video
Rotating Line Segments
This video, entitled "Rotating Line Segments," explains how line segments can be rotated on a coordinate plane.
Curated Video
How to Use the Pen Tool to Add & Delete Anchor Points
Howcast - Learn how to use the Adobe Illustrator pen tool to add and delete anchor points from expert Will "Focus" Dubois in this Howcast video.
Curated Video
How to Use the Adobe Illustrator Pen Tool to Split a Path
Howcast - Learn how to use the Adobe Illustrator pen tool to split a path from expert Will "Focus" Dubois in this Howcast video.
Curated Video
How to Use the Adobe Illustrator Width Tool
Howcast - Learn how to use the Adobe Illustrator width tool from expert Will "Focus" Dubois in this Howcast video.
Curated Video
How to Change Stroke Width & Alignment in Adobe Illustrator
Howcast - Learn how to change stroke width and alignment in Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.
Curated Video
Estimate and identify numbers on number lines
Pupil outcome: I can estimate and identify numbers on number lines. Key learning points: - Understanding the scale of a number line helps to estimate and identify numbers on it. - To determine the multiples that the number line increases...
Curated Video
Review constructing a whole when given a part and the number of parts
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...
Curated Video
Checking compass skills
Pupil outcome: I can confidently use a pair of compasses to draw circles and arcs. Key learning points: - A pair of compasses can be used to draw any circle. - A pair of compasses can be used to draw circle with a particular radius. - A...
Curated Video
Problem solving with constructions
Pupil outcome: I can use my knowledge of constructions to solve problems. Key learning points: - Shapes made from triangles can be constructed. - By investigation it is possible to accurately construct multiple polygons. - Shortest...
Curated Video
Reverse bearings
Pupil outcome: I can work out the bearing of point A from point B, given the bearing of point B from point A. Key learning points: - Bearings are measured from North in a clockwise direction. - Angle facts can be used to deduce the...
Curated Video
Calculating the length of a line segment
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...
Curated Video
Problem solving with bearings
Pupil outcome: I can use my knowledge of bearings to solve problems. Key learning points: - Right-angled trigonometry may be useful when dealing with bearings. - Right-angled trigonometry can help you calculate more information. - Angle...
Curated Video
Identifying which circle theorem to use
Pupil outcome: I can analyse a circle problem and identify and use an appropriate circle theorem to solve it.
Key learning po
ints:
- There are many circle theorems so it is important to be clear abou
t each one
- Extra...
Key learning po
ints:
- There are many circle theorems so it is important to be clear abou
t each one
- Extra...
Curated Video
Advanced problem solving with right-angled trigonometry
Pupil outcome: I can use my knowledge of right-angled trigonometry to solve problems. Key learning points: - Sometimes an answer may be best left in an exact form - When dealing with right-angled trigonometry, it is important to look at...
Curated Video
Applying constructions to loci problems
Pupil outcome: I can apply the rules for constructing angle and line bisectors to loci problems. Key learning points: - The perpendicular bisector of a line segment divides the line segment into two equal parts - The perpendicular...
Curated Video
Constructing angles of 90° and 45°
Pupil outcome: I can construct angles of 90° and 45°. Key learning points: - When constructing the perpendicular, you are constructing a 90° angle - Bisecting a 90° angle results in two angles, each measuring 45°
Curated Video
The sine rule
Pupil outcome: I can derive and use the formula for the sine rule. Key learning points: - The sides of a triangle are proportional to the sines of their opposite angles - A diagram can aid with understanding this - The sine rule is...
Curated Video
Dividing vectors into ratios
Pupil outcome: I can solve geometric problems in 2D where vectors are divided in a given ratio. Key learning points: - A vector can be divided into parts using a ratio. - By converting the ratio to a fraction, you can express each part...
Curated Video
Problem solving with plans and elevations
Pupil outcome: I can use my knowledge of plans and elevations to solve problems. Key learning points: - The plans and elevations may be drawn to scale. - You can combine an isometric drawing with its plan and elevations to find missing...
Curated Video
Checking and securing understanding of polygons
Pupil outcome: I can recognise and name polygons with five or more sides and recognise the difference between regular and irregular shapes. Key learning points: - The prefix is derived from Ancient Greek. - A regular polygon has sides...
Curated Video
Checking and securing understanding of accurate drawings
Pupil outcome: I can accurately construct circles and triangles using a pair of compasses and protractor respectively. Key learning points: - A pair of compasses can be used to draw a circle with a particular radius. - A ruler and...