Browsing: All Content Browse discussions 
Login to Subscribe / Save Results

Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

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...
More: lessons, discussions, ratings, reviews,...

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...
More: lessons, discussions, ratings, reviews,...

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 ...
More: lessons, discussions, ratings, reviews,...

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 ...
More: lessons, discussions, ratings, reviews,...

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...
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

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...
More: lessons, discussions, ratings, reviews,...

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...
More: lessons, discussions, ratings, reviews,...

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 ...
More: lessons, discussions, ratings, reviews,...

Exploring Geometric Constructi...

Parabolas (Algebra II)+ 
Sketchpad 
Activity 

[0]

This activity is an introduction to geometric constructions of parabolas. We will investigate their properties and characteristics. This activity has been adapted from the following article: Olmstead,...
More: lessons, discussions, ratings, reviews,...

Parabolas: The Folded Rectangl...

Parabolas (Algebra II)+ 
Sketchpad 
Tool 

[0]

With just a blank sheet of paper and a single point, students can fold a genuine parabola. Students model the technique with Sketchpad to reveal the underlying mathematics. The link to the tool it...
More: lessons, discussions, ratings, reviews,...

Parabolas: The Folded Rectangl...

Parabolas (Algebra II)+ 
Sketchpad 
Activity 

[0]

With just a blank sheet of paper and a single point, students can fold a genuine parabola. Students model the technique with Sketchpad to reveal the underlying mathematics. The link to the activit...
More: lessons, discussions, ratings, reviews,...

Properties of Parallel Lines

Parallel (Geometry)+ 
Sketchpad 
Activity 

[2]

Students discover relationships among the angles formed when parallel lines are intersected by a transversal. The link to the activity itself is to a zip file that contains a pdf file of the activi...
More: lessons, discussions, ratings, reviews,...

Functions

Parent Functions (Algebra II)+ 
Sketchpad 
Activity 

[0]

Investigate constant, linear, quadratic, cubic, square root, cube root, absolute value, rational, natural log, and exponential functions. Parent functions and full form functions for modification are...
More: lessons, discussions, ratings, reviews,...

Areas of Regular Polygons and ...

Pi (Geometry)+ 
Sketchpad 
Activity 

[0]

Students manipulate the number of sides in a regular polygon, develop a formula relating the area and perimeter of the polygon, and use their result to develop a formula relating the circumference ...
More: lessons, discussions, ratings, reviews,...

Cartesian Graphs and Polar Gra...

Polar Coordinates (Trigonometry)+ 
Sketchpad 
Tool 

[1]

Students compare rectangular graphs and polar graphs for functions of the form y = a sin(bx) and r = a sin(b?). Students analyze how the period and amplitude of a Cartesian graph correlate to featu...
More: lessons, discussions, ratings, reviews,...

Cartesian Graphs and Polar Gra...

Polar Coordinates (Trigonometry)+ 
Sketchpad 
Activity 

[0]

Students compare rectangular graphs and polar graphs for functions of the form y = a sin(bx) and r = a sin(b?). Students analyze how the period and amplitude of a Cartesian graph correlate to featu...
More: lessons, discussions, ratings, reviews,...

Wait for a Date

Probability (Math 5)+ 
Sketchpad 
Tool 

[0]

Students use Sketchpad to simulate a probability problem and then calculate a precise probability by reasoning about their model. The link to the tool begins downloading the zip file WaitForADate....
More: lessons, discussions, ratings, reviews,...

Wait for a Date

Probability (Math 5)+ 
Sketchpad 
Activity 

[1]

Students use Sketchpad to simulate a probability problem and then calculate a precise probability by reasoning about their model. The link to the activity itself is to a zip file that contains bo...
More: lessons, discussions, ratings, reviews,...

A Dynamic Proof

Pythagorean theorem (Math 7)+ 
Sketchpad 
Tool 

[0]

Students create a sketch in which a dramatic animation shows how the sum of the areas of two squares is equal to the area of the third square. The link to the tool itself is to a zip file that co...
More: lessons, discussions, ratings, reviews,...

A Dynamic Proof

Pythagorean theorem (Math 7)+ 
Sketchpad 
Activity 

[0]

Students create a sketch in which a dramatic animation shows how the sum of the areas of two squares is equal to the area of the third square. The link to the activity itself is to a zip file tha...
More: lessons, discussions, ratings, reviews,...

A Right Triangle with Squares

Pythagorean theorem (Math 7)+ 
Sketchpad 
Activity 

[0]

Students make a square tool and use the tool to investigate the Pythagorean Theorem and its converse. The link to the activity itself is to a zip file that contains the activity in pdf format. ...
More: lessons, discussions, ratings, reviews,...

Leonardo da Vinci's Proof

Pythagorean theorem (Math 7)+ 
Sketchpad 
Tool 

[0]

Students use reflection and rotation to build a sketch that demonstrates a famous proof by Leonardo. The link to the tool itself is to a zip file that contains both the sample sketch (designed to ...
More: lessons, discussions, ratings, reviews,...

Leonardo da Vinci's Proof

Pythagorean theorem (Math 7)+ 
Sketchpad 
Activity 

[0]

Students use reflection and rotation to build a sketch that demonstrates a famous proof by Leonardo. The link to the activity itself is to a zip file that contains both the activity in pdf format ...
More: lessons, discussions, ratings, reviews,...

Pythagoras Plugged In: Proofs ...

Pythagorean theorem (Math 7)+ 
Sketchpad 
Activity 
$ 
[0]

This book guides students through a variety of proofs and applications of the Pythagorean theorem. By constructing and dynamically manipulating figures, students visualize the theorem and gain insight...
More: lessons, discussions, ratings, reviews,...

« previous
10
...
20
...
30
...
40
...
50
...
60
...
70
...
80
...
90
...
100
...
110
...
120
...
130
...
140
...
150
...
160
...
170
...
177
178
179
Page 180
181
182
183
184
185
...
190
next »
