polygons
<a href="https://scienceres-edcp-educ.sites.olt.ubc.ca/2012/08/01/polygon-angles/" title="Polygon Angles"><img src="https://scienceres-edcp-educ.sites.olt.ubc.ca/files/2012/08/elem_math_shapeandspace_polygonangles-150x150.jpg" alt="Polygon Angles" class="thumbnail thumbnail " /></a>
Polygon Angles
This problem set deals with the internal and external angles of the polygons up to an octagon.
<a href="https://scienceres-edcp-educ.sites.olt.ubc.ca/2012/07/30/areas-with-rectangles-triangles-circles/" title="Areas with Rectangles, Triangles, and Circles"><img src="https://scienceres-edcp-educ.sites.olt.ubc.ca/files/2012/07/elem_math_shape_areaIrregular-150x150.jpg" alt="Areas with Rectangles, Triangles, and Circles" class="thumbnail thumbnail " /></a>
Areas with Rectangles, Triangles, and Circles
Do you need to know the length of every side to calculate the area of these shapes? The following set of questions will explore strategies for finding the areas of different shapes.
<a href="https://scienceres-edcp-educ.sites.olt.ubc.ca/2012/07/30/investigating-perimeters/" title="Investigating Perimeters"><img src="https://scienceres-edcp-educ.sites.olt.ubc.ca/files/2012/07/elem_math_shape_perimeterRectangles-150x150.jpg" alt="Investigating Perimeters" class="thumbnail thumbnail " /></a>
Investigating Perimeters
The following set of questions will introduce various methods for finding the perimeter of objects with missing side lengths. Ways to maximize and minimize perimeter will also be explored.
<a href="https://scienceres-edcp-educ.sites.olt.ubc.ca/2012/07/27/deriving-the-area-of-triangles/" title="Deriving the Area of Triangles"><img src="https://scienceres-edcp-educ.sites.olt.ubc.ca/files/2012/07/elem_math_shape_areaTriangles-150x150.jpg" alt="Deriving the Area of Triangles" class="thumbnail thumbnail " /></a>
Deriving the Area of Triangles
What is the formula to calculate the area of a triangle? This set of questions will show visually how we can find the area of triangles using only the area of rectangles.