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Topic (Course) 
Technology 
Type 
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Mean and Median

Histograms, freq. dist (Math 6)+ 
Flash 
Tool 

[1]

This flash allows the student to load and modify six existing datasets. The flash calculates the mean, median, and quartiles, and plots a histogram. Students are encouraged to examine the effects of...
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Mean, Median, and Mode

Data analysis (Math 6)+ 
Java Applet 
Lesson Plan 

[0]

The goal of this lesson is to introduce the concepts of mean, median and mode and to develop understanding and familiarity with these ideas.
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Mean, Median, and Mode Dialogu...

Data analysis (Math 6)+ 
Calculator 
Support Material 

[0]

Defining and discussing the concepts.
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Meaning  Inverse Trigonometri...

Inverse Functions (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson defines and introduces the properties of the inverse trigonometric functions.
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Measure It!

Length/height (Math 3)+ 
JavaScript 
Tool 

[2]

The user is shown a ruler with a red bar above it. The task is to determine the length of the red bar and choose the correct answer from the four choices given. Users can choose the level of difficult...
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Measurement

Length/height (Kindergarten)+ 
Java Applet 
Lesson Plan 

[0]

Students learn to measure the length of objects with integer bars.
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Measurement Activity

Length/height (Kindergarten)+ 
Java Applet 
Activity 

[2]

Students learn to measure the length of objects with integer bars using the Integer Bar applet by Jacobo Bulaevsky.
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Measures

Data analysis (Math 5)+ 
Java Applet 
Tool 

[0]

This activity allows the user to input various types of data and to request the following statistics for the data: total, variance, mean, median, mode, range, variation
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Measures

Length/height (Math 3)+ 
Flash 
Tool 

[0]

This activity is intended to help students consolidate their understanding of different measures. The units of measurement used in the activity are: litres, millilitres, kilometres, metres, centimetre...
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Measures of Central Tendency a...

Mean, median & mode (Math 7) 
Flash 
Support Material 

[0]

This minilesson explains measures of central tendency, i.e. mean, mode, and median, for grouped data.
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Measures of Spread

Variance & range (Math 7)+ 
Flash 
Tool 

[0]

Students can load, modify, and plot histograms for six datasets, as well as compute the mean, median, interquartile range, and standard deviation. They can observe the effects of altering the dataset...
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Measuring

Geometry in the plane (Math 3)+ 
Flash 
Tool 

[1]

A tutorial and practice in measuring using a ruler and using a protractor.
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Measuring Circles (Geometry)

Circles (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains more about measuring circles, including segment lengths and angle measures, as well as using the relationship of circumference to diameter.
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Measuring Fish

Fractions (Math 3)+ 
Sketchpad 
Tool 

[0]

Students use special rulers to measure the size of fish using "binkers" a nonstandard unit. Students encounter fish that are not whole number units in length and experiment with the use of fractional...
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MedMed

LeastSquares Regression (Probability & Statistics)+ 
Excel 
Tool 

[0]

Excel file to accompany an activity in which students construct a medianmedian line for a data set with an outlier. Includes data and colorcoded boxes for formula and discussion entry.
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Median

Mean, median & mode (Math 7) 
Flash 
Tool 

[0]

Explore median as the middle value of an ordered data set. Learn how to calculate and interpret mean values. This Brainingcamp middle school math activity includes an animated lesson, virtual manipul...
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Median and Quartiles

Data analysis (Math 5)+ 
Flash 
Tool 

[0]

Investigate averages with this height graph: line the people up by height, mark the quartiles, and use the yellow boxes to read off the heights for lower and upper quartiles, and the median.
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Median of a Trapezoid  Math O...

Trapezoid (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the median line of
a trapezoid (line linking midpoints of nonparallel sides).
The applet shows a trapezoid with all vertices drag...
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MedianMedian Line

Scatterplots (Probability & Statistics)+ 
Excel 
Activity 

[0]

This is a student handout to accompany an Excel file in which students use a spreadsheet, and knowledge about the pointslope equation for a line, to develop the medianmedian line. They compare tota...
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Medians and Midsegment (Geomet...

Triangles (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains theorems related to medians and midsegments.
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Medians in a Triangle

Centers of triangles (Geometry) 
Sketchpad 
Activity 

[0]

Students discover various properties of the three medians of a triangle. The link to the activity itself is to a zip file that contains a pdf file of the activity.
This is a free sample a...
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Medians in a Triangle

Triangles (Geometry)+ 
Sketchpad 
Activity 

[0]

A guided exploration of medians in a triangle using Geometer's Sketchpad.
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Medians of a Triangle

Centers of triangles (Geometry) 
Computer 
Support Material 

[0]

The definition and an illustration of the medians of a triangle. From Illuminations' IGD: Interactive Geometry Dictionary.
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Medians of a Triangle  Math O...

Triangles (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet illustrating the medians of a triangle.
The applet shows a triangle where the user can drag the vertices to reshape it. As the triangle is being resha...
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Mellow Yellow: Interpreting Gr...

Equations and functions (Math 6)+ 
Sketchpad 
Activity 

[0]

Compare different representations of motion: a story, a position graph, and the motion itself. Create a graph that matches a story, or write a story to match a graph, and check either by watching Mell...
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