Instructional Video10:44
PBS

Associahedra: The Shapes of Multiplication

12th - Higher Ed
What happens when you multiply shapes?
Instructional Video14:49
PBS

Dissecting Hypercubes with Pascal's Triangle

12th - Higher Ed
What does the inside of a tesseract look like? Pascal's Triangle can tell us.
Instructional Video7:06
PBS

Are Space and Time An Illusion?

12th - Higher Ed
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...
Instructional Video1:39
Curated Video

Rotating Line Segments

9th - 11th
This video, entitled "Rotating Line Segments," explains how line segments can be rotated on a coordinate plane.
Instructional Video3:14
Curated Video

How to Use the Pen Tool to Add & Delete Anchor Points

9th - Higher Ed
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.
Instructional Video3:18
Curated Video

How to Use the Adobe Illustrator Pen Tool to Split a Path

9th - Higher Ed
Howcast - Learn how to use the Adobe Illustrator pen tool to split a path from expert Will "Focus" Dubois in this Howcast video.
Instructional Video2:16
Curated Video

How to Use the Adobe Illustrator Width Tool

9th - Higher Ed
Howcast - Learn how to use the Adobe Illustrator width tool from expert Will "Focus" Dubois in this Howcast video.
Instructional Video4:13
Curated Video

How to Change Stroke Width & Alignment in Adobe Illustrator

9th - Higher Ed
Howcast - Learn how to change stroke width and alignment in Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.
Instructional Video23:30
Curated Video

Estimate and identify numbers on number lines

Pre-K - Higher Ed
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...
Instructional Video17:52
Curated Video

Review constructing a whole when given a part and the number of parts

Pre-K - Higher Ed
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...
Instructional Video24:14
Curated Video

Checking compass skills

Pre-K - Higher Ed
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...
Instructional Video22:41
Curated Video

Problem solving with constructions

Pre-K - Higher Ed
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...
Instructional Video22:35
Curated Video

Reverse bearings

Pre-K - Higher Ed
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...
Instructional Video20:00
Curated Video

Calculating the length of a line segment

Pre-K - Higher Ed
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...
Instructional Video22:31
Curated Video

Problem solving with bearings

Pre-K - Higher Ed
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...
Instructional Video24:26
Curated Video

Identifying which circle theorem to use

Pre-K - Higher Ed
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...
Instructional Video25:31
Curated Video

Advanced problem solving with right-angled trigonometry

Pre-K - Higher Ed
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...
Instructional Video20:02
Curated Video

Applying constructions to loci problems

Pre-K - Higher Ed
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...
Instructional Video23:01
Curated Video

Constructing angles of 90° and 45°

Pre-K - Higher Ed
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°
Instructional Video23:59
Curated Video

The sine rule

Pre-K - Higher Ed
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...
Instructional Video18:54
Curated Video

Dividing vectors into ratios

Pre-K - Higher Ed
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...
Instructional Video22:46
Curated Video

Problem solving with plans and elevations

Pre-K - Higher Ed
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...
Instructional Video22:28
Curated Video

Checking and securing understanding of polygons

Pre-K - Higher Ed
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...
Instructional Video23:25
Curated Video

Checking and securing understanding of accurate drawings

Pre-K - Higher Ed
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...