Bozeman Science
Evaluating Arguments
New ReviewIn this video Paul Andersen shows you how to engage in argumentation in a mini-lesson on evaluating arguments. Two examples are included in the video and two additional examples are included in the linked thinking slides.
Crash Course
3D Graphics: Crash Course Computer Science
Today we’re going to discuss how 3D graphics are created and then rendered for a 2D screen. From polygon count and meshes, to lighting and texturing, there are a lot of considerations in building the 3D objects we see in our movies and...
PBS
What Does It Mean to Be a Number? (The Peano Axioms)
If you needed to tell someone what numbers are and how they work, without using the notion of number in your answer, could you do it?
TED-Ed
TED-Ed: Why are manhole covers round? - Marc Chamberland
Why are most manhole covers round? Sure it makes them easy to roll, and slide into place in any alignment. But there's another, more compelling reason, involving a peculiar geometric property of circles and other shapes. Marc Chamberland...
Curated Video
How to Create Polygons with Adobe Illustrator
Howcast - Learn how to create polygons with Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.
Curated Video
Draw angles accurately using a protractor
Pupil outcome: I can draw angles accurately using a protractor. Key learning points: - A protractor can be used to draw angles. - Protractors have two scales from 0 to 180 degrees. - Start from zero when reading the scale on a...
Curated Video
Understand that different shapes can have the same perimeter
Pupil outcome: I understand that different 2D shapes can have the same perimeter. Key learning points: - Shapes that look different can have the same perimeter. - You can draw or create more than one 2D shape with the same perimeter. -...
Curated Video
Move objects including polygons on a grid according to directions and mark the new position
Pupil outcome: I can move objects including polygons on a grid according to directions and mark the new position. Key learning points: - Objects covering more than one position on a grid can be moved by giving directions. - A shape can...
Curated Video
Draw polygons specified by coordinates in the first quadrant
Pupil outcome: I can draw polygons specified by coordinates in the first quadrant. Key learning points: - The first digit in the coordinate gives the horizontal distance from the origin along the x-axis. - The second digit in the...
Curated Video
Use knowledge of the distributive law to solve problems in different contexts
Pupil outcome: I can use knowledge of the distributive law to solve problems in different contexts efficiently. Key learning points: - The distributive law allows you to add or subtract known times tables to solve problems. - You can...
Curated Video
Make shapes by joining two polygons in different ways
Pupil outcome: I can make compound shapes by joining two polygons in different ways. Key learning points: - The same parts can create a different whole. - Lines are parallel because they are always the same distance apart. - A...
Curated Video
Construct quadrilaterals with and without parallel and perpendicular sides
Pupil outcome: I can use equipment to construct and compare quadrilaterals with and without parallel and perpendicular sides. Key learning points: - Construction strips allow you to create different polygons. - Lines are perpendicular...
Curated Video
Investigate different ways of decomposing a polygon
Pupil outcome: I can decompose a polygon in different ways and identify properties of polygons. Key learning points: - The same whole can be split into different parts. - Lines are perpendicular when they are at right angles to each...
Curated Video
Calculating missing lengths with perimeter of polygons
Pupil outcome: I can use the properties of a range of polygons and the perimeter of a given polygon to deduce missing side lengths. Key learning points: - Missing side lengths can be found if the perimeter is known. - Perimeter problems...
Curated Video
Finding the perimeter of polygons
Pupil outcome: I can use the properties of a range of polygons to deduce their perimeters, including generalising a perimeter formula where appropriate. Key learning points: - You can identify how to find the perimeter of polygons. - The...
Curated Video
Explain what area is
Pupil outcome: I can explain what area is. Key learning points: - Some shapes are better than others to cover the surface and count the area. - The surface of the shape must be covered with no gaps or overlaps; the unit used must...
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
Know that a rectangle is a four-sided polygon with four right angles
Pupil outcome: I can identify a rectangle as a four-sided polygon with four right angles. Key learning points: - A polygon is a 2D shape made up of 3 or more sides. - A rectangle is a 4-sided polygon with 4 right angles. - A 4-sided...
Curated Video
Checking understanding of perimeter and area
Pupil outcome: I can explain the properties of various polygons. Key learning points: - Quadrilaterals can be described and identified using their properties. - Triangles can be classified according to their properties. - Polygons can be...
Curated Video
Recognise and sort polygons
Pupil outcome: I can explain what a polygon is and sort polygons in different ways. Key learning points: - A polygon has straight sides. - The sides of a polygon meet at vertices. - A polygon is a 2D shape. - Polygons can be sorted in...
Curated Video
Reasoning about angles in polygons
Pupil outcome: I can reason about the sum of the angles within different polygons. Key learning points: - Angles describe and measure a turn or rotation. - Protractors can be used to measure and draw angles. - Use knowledge of right...
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
Deriving the sum of interior angles in multiple ways
Pupil outcome: I can use reasoning to derive the sum of interior angles in multiple ways. Key learning points: - Not all vertices of component shapes contribute to the sum of the interior angles of a composite shape. - A numerical...
Curated Video
Checking understanding of perimeter
Pupil outcome: I can find the perimeter of many polygons or compound shapes. Key learning points: - The perimeter of any polygon can be found by summing the sides. - The perimeter of shapes made from polygons can be found. - Some methods...