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In this math lesson, learners play two different games to help them understand coordinates. First, learners read the book, "The Fly on the Ceiling," by Julie Glass.

1 cent - $1 per group Ages 8 - 11 30 to 45 minutes
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This puzzle provides an interesting context which challenges learners to apply their knowledge of the properties of numbers.

1 cent - $1 per student Ages 11 - 14 5 to 10 minutes
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this two-part activity, learners explore the Earth and Sun's positions in relation to the constellations of the ecliptic with a small model.

1 cent - $1 per group Ages 4 - 18 1 to 2 hours
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In this math game, learners throw dice and place the numbers in one of four boxes. Learners repeat this three more times and the learner with the largest four digit numbers is the winner.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners will make and launch feather rockets. Lerners will use science process skils such as making predictions and measuring while launching the rockets.

1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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“Exploring the Solar System: Pocket Solar System” is a hands-on activity in which visitors make a scale model of the distances between objects in our solar system.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this activity (on pages 49-54 of PDF), learners play with tangrams, a set of triangles, squares and a parallelogram that can combine into a larger square as well as all sorts of other shapes.

1 cent - $1 per student Ages 4 - adult 45 to 60 minutes
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In this activity, learners simulate a wolf and its habitat and observe what happens when the limiting factors change over time.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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Is a square stronger than a triangle? Use tongue depressors to build simple shapes. Then apply a little weight to them and see what happens!

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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This activity helps students learn how computers "compress" text by identifying repeating patterns of letters, words, and phrases.

1 cent - $1 per student Ages 8 - adult 30 to 45 minutes
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Use this activity to build division and number sense into any snack time or whenever there is a limited set of things to share among a group: If we deal these out, could everyone get two pieces?

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
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Learners will collect pennies to donate and will combine charitable giving with estimating and calculating with money. To start choose a charity or something to save up for together.

1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners use a hand-made protractor to measure angles they find in playground equipment.

1 cent - $1 per student Ages 11 - 14 10 to 30 minutes
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In this activity, learners use pattern blocks and mirrors to explore symmetry. Learners work in pairs and build mirror images of each other's designs.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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In this Cyberchase activity, learners use the numbers one through six to solve a puzzle.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this math lesson, learners explore variables and their uses.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.

1 cent - $1 per group Ages 6 - 14 45 to 60 minutes
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In this self-measuring activity, learners measure and record the length of their foot.

1 cent - $1 per group Ages 4 - 11 30 to 45 minutes