Electronic
Examples - NCTM
interactive activities that support Principles and Standards
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Electronic
Examples - NCTM
interactive
activities that support Principles and Standards
National
Library of Virtual Manipulatives for Interactive Mathematics
metric
system guide - David Bartlett
dictionary
of units and unit conversion - Frank Tapson
unit
conversion - unitconversion.org
specialist
calculators - CIMT
square, right-angled triangle, rectangle,
triangle, polygon, circle, ellipse, sector, annulus, cube, cuboid, sphere,
polyhedron, cone, pyramid, cylinder, barrel, percentage, loan repayment,
growth and decay, cost, cost of living
measurement
formulas
perimeter, area and volume formulas
for 2 and 3 dimensional shapes
volume
calculators
volume calculations for full and
partially filled containers
scales
of measurement
lots of measurements - examples
of scientific notation
investigating
triangles
Change the sides and see if the
triangle can be drawn.
shape
explorer
Find the perimeter and area of random
shapes.
constant
perimeter and constant area rectangles
area
of parallelogram
approximating
the area of a unit circle with regular polygons
As the number of sides increases,
the value of the area gets closer to pi.
Where
is the missing area?
Why does a shape appear to lose
area when it is rearranged?.
Pick's
theorem - Cut The Knot
The theorem gives a formula for
the areas of simple polygons with vertices located at the nodes of a grid
of squares. An interactive diagram is provided.
box
with no lid - Kristen Carvell
Make a box from a rectangular sheet
and calculate the volume and surface area.
area
problem
Solve a problem using the fact that
two triangles have the same area if they have the same base and the same
perpendicular height.
surface
area and volume
Manipulate dimensions of a rectangular
or triangular prism and watch the surface area and volume change.
weight
How much would you weigh on another
planet?
On
Being the Right Size - J. Haldane
Essay - for every type of animal
there is a most convenient size.
paper
folding
Take a sheet of paper and continue
to fold it in half. This example of exponential growth leads to some enormous
distances.
Powers
of Ten
View the Milky Way at 10 million
light years from the Earth. Then move through space towards the Earth in
successive orders of magnitude until you reach a tree. After that, move
to a leaf and then into a microscopic world that reveals leaf cell walls,
the cell nucleus, chromatin, DNA and finally into the subatomic universe
of electrons and protons.
Powers
of Ten - CERN
Travel across the Universe. Changing
scale by just a few powers of ten dramatically alters your perspective.
sine
rule
Teaching
Time
A
Walk Through Time
history of time, calendars and clocks
The
Calendar and the Days of the Week - Math Forum
What years are leap years? How do
I find the day of the week for any date? How common are Friday the 13ths?
time
around the world
latitude/longitude
Calculate
the great circle distance between two places on the earth's surface.
Calculate
the great circle distance between two places in Australia.
Great
Circle - interactive demonstration
sunrise/sunset
GeoAstro
Applet Collection - Juergen Giesen
Mathematics
of Cartography - Cynthia Lanius
Explore the connections between
maps and Mathematics.
Cartography
- John Polking
A variety of map projections are
considered along with their advantages and disadvantages (pdf file).
From
Stargazers to Starships
tutorial on earth's motion in space,
Newtonian mechanics, sun and spaceflight
Global
Positioning System (GPS) - Trimble Navigation
tutorial designed to give a good
basic understanding of the principles behind GPS
Navigation
and Mapping - StudyWorks Online
learning resources, history of navigation
timeline, activity
Latitude
- The Art and Science of 15th Century Navigation
resources and links for navigation
and maps
Nutrient
Database - US Department of Agriculture
comprehensive details of different
food types
Nutrition
Analysis Tool - University of Illinois
Create and analyse a personal
diet.
Healthy
Eating Self-Assessment - Dietitians Association of Australia
Enter your age, gender and the numbers
of serves of different types of food eaten in one day.
Guiness
World Records
Find the largest, smallest, longest,
...
Qantim
software
Qantas' Travel
Itinerary Manager features easy to use Qantas Domestic and International
schedules accessed from a selection of maps.
Geometer's
Sketchpad software (demo available)
dynamic geometry construction and
exploration tool
stopwatch
and countdown timer software