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Angles Formed by Parallel Line...

Intersecting, , & perp. (Math 6)+ 
Sketchpad 
Tool 

[1]

Students identify and measure corresponding angles, alternate interior angles, and alternate exterior angles, and determine which angles are congruent to each other. The link to the tool itself is ...
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Angles Formed by Parallel Line...

Intersecting, , & perp. (Math 6)+ 
Sketchpad 
Activity 

[0]

Students identify and measure corresponding angles, alternate interior angles, and alternate exterior angles, and determine which angles are congruent to each other. The link to the activity itself...
More: lessons, discussions, ratings, reviews,...

Limits with Delta and Epsilon

Intuitive understanding lims. (Calculus)+ 
Sketchpad 
Tool 

[0]

This activity builds on the previous activity, Limits with Tables. Students investigate limits using tools for controlling delta and epsilon, giving them a concrete, handson understanding of the form...
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Limits with Tables

Intuitive understanding lims. (Calculus)+ 
Sketchpad 
Tool 

[0]

Download this Sketchpad file to investigate the concept of a limit numerically using tables. Students encounter a function that's undefined at a particular value of x, but whose limit exists at that v...
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Sketchpad Activities for Intro...

Intuitive understanding lims. (Calculus)+ 
Sketchpad 
Activity 

[0]

Sketchpad Activities for Introducing Calculus Topics is a series of five activities designed to introduce students to the basic concepts of calculus. Use these activities near the end of Precalculus c...
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Properties of Kites

Kite (Geometry) 
Sketchpad 
Tool 

[1]

This is a one page activity that includes how to construct a kite on Sketchpad, along with a kite that is ready to be manipulated. The kite sketch is followed by 8 questions that lead the student to ...
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Stretching Ruler

Length/height (Math 3)+ 
Sketchpad 
Tool 

[0]

This set of activities introduces students to mathematical foundations of measurement, and especially to the concept of the unit of measurement. Students create their own rulers to measure different o...
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Equations of Lines

Line (Geometry)+ 
Sketchpad 
Activity 

[0]

A guided exploration, using Geometer's Sketchpad, of a line on the coordinate plane, and its slope.
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Intercepts of Lines and their ...

Line (Geometry)+ 
Sketchpad 
Activity 

[0]

A guided exploration, using Geometer's Sketchpad, of lines on the coordinate plane, and the relation of intercepts to linear equations.
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Standard Equation of a Line

Line (Geometry)+ 
Sketchpad 
Activity 

[0]

A guided exploration, using Geometer's Sketchpad, of the standard form of a linear equation.
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Line in SlopeIntercept Form

Linear Equations (Algebra)+ 
Sketchpad 
Tool 

[0]

This sketch allows the manipulation of a line in slopeintercept form. On the first page, the coefficients m and b are restricted to multiples of 0.5. On the second page, they are unrestricted and can...
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Box Volume

Local min / max (Algebra II)+ 
Sketchpad 
Tool 

[0]

Make an opentop box from a sheet of paper by cutting squares out of the corners. See how the volume of the box changes as the sides of the squares change. The link to the tool itself downloads the ...
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Proof as Discovery: Kite Midpo...

Logic and proof (Geometry)+ 
Sketchpad 
Tool 

[0]

Students investigate and prove a property of kites, and use the proof to make a discovery about other quadrilaterals. The link to the tool itself is to a zip file that contains both the sketch and...
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Proof as Discovery: Kite Midpo...

Logic and proof (Geometry)+ 
Sketchpad 
Activity 

[0]

Students investigate and prove a property of kites, and use the proof to make a discovery about other quadrilaterals. The link to the activity itself is to a zip file that contains both the activi...
More: lessons, discussions, ratings, reviews,...

Proof as Explanation: Distance...

Logic and proof (Geometry)+ 
Sketchpad 
Tool 

[0]

Students explore the sum of certain distances in an equilateral triangle, and develop a proof to explain their observations. The link to the tool itself is to a zip file that contains both the ske...
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Proof as Explanation: Distance...

Logic and proof (Geometry)+ 
Sketchpad 
Activity 

[0]

Students explore the sum of certain distances in an equilateral triangle, and develop a proof to explain their observations. The link to the activity itself is to a zip file that contains both the...
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Proof as Systematization: Tria...

Logic and proof (Geometry)+ 
Sketchpad 
Tool 

[0]

Students use Sketchpad to develop a proof for a result that was discovered and used (without proof) in an earlier activity. The link to the tool itself is to a zip file that contains both the sketc...
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Proof as Systematization: Tria...

Logic and proof (Geometry)+ 
Sketchpad 
Activity 

[1]

Students use Sketchpad to develop a proof for a result that was discovered and used (without proof) in an earlier activity. The link to the activity itself is to a zip file that contains both the a...
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Proof as Verification: Areas

Logic and proof (Geometry)+ 
Sketchpad 
Tool 

[0]

Students form a conjecture about the ratio of two areas in a quadrilateral, and use Sketchpad to search for a proof. In the process they verify or disprove their results for two different kinds of ...
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Proof as Verification: Areas

Logic and proof (Geometry)+ 
Sketchpad 
Activity 

[0]

Students form a conjecture about the ratio of two areas in a quadrilateral, and use Sketchpad to search for a proof. In the process they verify or disprove their results for two different kinds of ...
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Curved Path

Measurement (Math 4)+ 
Sketchpad 
Tool 

[0]

The mathematical ideas developed in this activity consist in the iteration of linear units to measure a curved path. The process of constructing a path of a given length can be difficult, even for mid...
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Annie's Sketchpad activities

Modeling and applications (Geometry) 
Sketchpad 
Lesson Plan 

[0]

Here are some activities to help you learn more about using the different aspects of Geometer's Sketchpad. The examples include using action buttons and constructing script tools.
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Grouping I and II

Number sense (Math 1)+ 
Sketchpad 
Tool 

[0]

Grouping I: The goal of this activity is twofold. First, it introduces students to Sketchpad's most important tools and menu commands. Second, it helps students appreciate how grouping objec...
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Color by Numbers

Number theory (Math 3)+ 
Sketchpad 
Tool 

[0]

Students investigate patterns produced on a grid of numbers generated through addition and multiplication of the whole numbers. The focus is on elementary number theory concepts such as even/odd, fact...
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Jump Along

Operations with numbers (Math 3)+ 
Sketchpad 
Tool 

[1]

This activity involves a number line along which students observe consecutive jumps, controlling both the number of jumps and jump size. This sketch can be used to model basic questions involving the ...
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