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Exponential Functions - Explore Math

Grades
7 to 9
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This hands-on activity, designed for lower level math classes such as 7-9 grade algebra, allows students to visualize exponential functions on a graph. Students may also approximate...more
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This hands-on activity, designed for lower level math classes such as 7-9 grade algebra, allows students to visualize exponential functions on a graph. Students may also approximate doubling and halving intervals.

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Ellipse - Explore Math

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9 to 12
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This hands-on activity, designed for intermediate level math classes such as 10-11 grade geometry, allows students to change vertices and foci in an ellipse, visualize the string property,...more
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This hands-on activity, designed for intermediate level math classes such as 10-11 grade geometry, allows students to change vertices and foci in an ellipse, visualize the string property, and experiment with an ellipse.

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Associated lesson plans are available to registered users of ExploreMath.com

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Distance Formula - Explore Math

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7 to 9
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This activity, designed for lower level math classes such as 7-9 grade introductory algebra, allows students to set points on a graph and then measure the distance between the points...more
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This activity, designed for lower level math classes such as 7-9 grade introductory algebra, allows students to set points on a graph and then measure the distance between the points using a ruler as well as with the distance formula. This is a good activity to show students how the distance formula works.

In the Classroom

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Defining a Line with Two Points - Explore Math

Grades
7 to 9
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This hands-on activity, designed for lower level math classes such as 7-9 grade algebra, allows students to plot points on a graph and then compare the equations in slope-intercept...more
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This hands-on activity, designed for lower level math classes such as 7-9 grade algebra, allows students to plot points on a graph and then compare the equations in slope-intercept and point-slope form. This is a good activity to help students visualize the differences between the slope-intercept and the point-slope equations.

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Points in a Complex Plane - Explore Learning

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10 to 12
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This hands-on math activity, designed for advanced math classes such as 11-12 grade trigonometry, allows students to visualize numbers in polar form and how they relate to Cartesian...more
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This hands-on math activity, designed for advanced math classes such as 11-12 grade trigonometry, allows students to visualize numbers in polar form and how they relate to Cartesian coordinates.

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Area Probability (Throw Darts!) - Explore Learning

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7 to 11
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This math activity, designed for lower level math classes such as 8-10 grade upper algebra, allows students to manipulate the area of a circle and a rectangle to determine probability....more
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This math activity, designed for lower level math classes such as 8-10 grade upper algebra, allows students to manipulate the area of a circle and a rectangle to determine probability. This is a good hands-on activity that students will enjoy and will help them see the relationship between area and probability

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Absolute Value of a Linear Function - Explore Learning

Grades
11 to 12
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This math activity, designed for advanced math classes such as 11-12 grade introductory calculus, allows students to compare various graphs in the slope-intercept form. This is a good...more
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This math activity, designed for advanced math classes such as 11-12 grade introductory calculus, allows students to compare various graphs in the slope-intercept form. This is a good hands-on activity that allows students to visualize absolute value.

In the Classroom

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Fooble :: Perplexus - Animus Pactum Consulting

Grades
9 to 12
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Here's one that will tie your brain in knots. Some of these logic puzzles will challenge even advanced high school students, but both solutions and discussion are readily available...more
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Here's one that will tie your brain in knots. Some of these logic puzzles will challenge even advanced high school students, but both solutions and discussion are readily available for those who struggle. There are many different puzzle types, and new content seems to appear regularly. Note, however, that the ad banner space occasionally displays content that some might not deem appropriate for school use.

In the Classroom

Teachers will find this one a great source for "extra point stumpers."

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ArithmAttack

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3 to 8
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We're not big fans of "drill" web sites, but this "how many can you answer in a two minutes" site would be a good one for elementary students who have ...more
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We're not big fans of "drill" web sites, but this "how many can you answer in a two minutes" site would be a good one for elementary students who have the manual dexterity to quickly enter numbers and click their mouse. It handles all four basic operations with selectable number ranges.

In the Classroom

Help your elementary math students review with these timed quizzes; your learners will also get practice using the computer to answer questions more quickly and efficiently.

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Numeracy ideas: Numbers

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2 to 6
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This British source offers a nice little collection of activities, worksheets, games, and Excel spreadsheets to reinforce number concepts. Topics include decimals, number chains, prime...more
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This British source offers a nice little collection of activities, worksheets, games, and Excel spreadsheets to reinforce number concepts. Topics include decimals, number chains, prime numbers, and more.

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Numeracy ideas: Shape, measure, data handling

Grades
2 to 6
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This British source offers a nice little collection of activities, worksheets, and other materials that introduce shapes, angles, graphing, weights, and more. ...more
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This British source offers a nice little collection of activities, worksheets, and other materials that introduce shapes, angles, graphing, weights, and more.

In the Classroom

Teachers will need to sort out where these fit into their individual curricula.

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Teaching Math in America - Smithsonian Institution

Grades
6 to 12
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The Smithsonian's homage to math teachers of the past presents an interesting discussion of how "what's important" in math has changed along with the tools used to teach it. The ...more
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The Smithsonian's homage to math teachers of the past presents an interesting discussion of how "what's important" in math has changed along with the tools used to teach it. The resource collection contains a number of math sites that teachers might also find useful.

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CensusScope

Grades
6 to 12
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Created by a university consortium, this site offers a wealth of graphs, charts, and data that students can use to analyze America's demographics. There are a number of prefabricated...more
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Created by a university consortium, this site offers a wealth of graphs, charts, and data that students can use to analyze America's demographics. There are a number of prefabricated analyses available, and there is also enough data to create exercises or activities that let students explore on their own. There are a number of possibilities for social studies, math, or statistics in this one.

In the Classroom

Share these visuals on your projector or interactive whiteboard. Have students investigate one area of this data and contribute to a class wiki. Not comfortable with wikis? Have no wiki worries - check out the TeachersFirst's Wiki Walk-Through.

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A View from the Back of the Envelope

Grades
6 to 12
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Have you ever struggled to give a student an example that demonstrates how big big can be, or how small small things are? Here's an eclectic collection of demonstrations and ...more
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Have you ever struggled to give a student an example that demonstrates how big big can be, or how small small things are? Here's an eclectic collection of demonstrations and jottings that let students compare both the vast and the minute.

In the Classroom

Use the content directly, or as an inspiration for your own comparisons.

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Calculus Help

Grades
9 to 12
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What it says is what you get, but there are lots of calculus-related activities and resources at this site created by a math teacher. The site offers a problem of ...more
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What it says is what you get, but there are lots of calculus-related activities and resources at this site created by a math teacher. The site offers a problem of the week - with the solution the following week(!) as well as "fun stuff" involving calculus. This could be a useful site for students whose motivations range from mere survival to extended study.

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Planetarium: a puzzle-story in twelve weekly installments

Grades
7 to 12
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Here's an ongoing interactive puzzle that can really grow on you. A free registration lets users move through the puzzle one week at a time, discovering new clues with each ...more
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Here's an ongoing interactive puzzle that can really grow on you. A free registration lets users move through the puzzle one week at a time, discovering new clues with each visit and working with numbers and words to unlock the puzzle's secrets. This would be a great one for an ongoing activity that builds logic and higher order reasoning skills.

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Maths Dictionary - Jenny Eather

Grades
4 to 12
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This "down under" site is much more than a dictionary. There's a definition for each term listed, and most of the definitions include one or more illustrations of the concepts. ...more
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This "down under" site is much more than a dictionary. There's a definition for each term listed, and most of the definitions include one or more illustrations of the concepts. The definitions include the most basic math terms, as well as many more advanced words, making this a useful site for almost any grade level.

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Shop Til You Drop - TeachersFirst

Grades
6 to 8
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A math and consumer science lesson that lets students build a budget and and menushop to fit their allotted funds and menu. Designed for use on-line, this unit could ...more
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A math and consumer science lesson that lets students build a budget and and menushop to fit their allotted funds and menu. Designed for use on-line, this unit could also be done off-line using newspaper sale advertising. This lesson plan was one of the winners in a lesson plan contest sponsored by TeachersFirst. TeachersFirst editors have added technology options where appropriate.

In the Classroom

Teachers may also find this lesson useful with older special education or life skills students. Technology options include using web sources for shopping information and coupons and for creating the student projects.

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Math Celebration Fair - TeachersFirst

Grades
4 to 8
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Here's a unit that offers a semester-long math competition and celebration. Use a variety of math games and incentives to encourage mastery, then celebrate by inviting parents or other...more
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Here's a unit that offers a semester-long math competition and celebration. Use a variety of math games and incentives to encourage mastery, then celebrate by inviting parents or other classes to take part.

In the Classroom

Mark this unit in your favorites. Add more technology using any of the hundreds of math interactives you will find using TeachersFirst's keyword search at the left on this page and entering math interactive .

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ABC News - ABC news

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6 to 12
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This nationally published news source makes for an excellent resource for a teacher or student looking for current events. There's information ranging from politics, global news, business,...more
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This nationally published news source makes for an excellent resource for a teacher or student looking for current events. There's information ranging from politics, global news, business, technology - even pop culture. This would be useful in any classroom where a knowledge of the now was focused on.

In the Classroom

Use this site as a resource for current events projects - assign students various weeks through out the semester in which they are to be the class news reporter, keeping their peers up to date and informed. Have students research whats going on via this news site, and present a small presentation at the beginning of class every day during their week. Students can either orally present, or for the technologically inclined, create a short video summarizing the same information. Have students create news briefs and share them using a tool such as SchoolTube reviewed here.

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