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In this activity, learners make their own binary code bracelets by translating their initials into 0s and 1s represented by beads of 2 different colors.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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Learners make a counting/estimating jar to exchange with friends or bring home.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners will play a coin toss game where the highest total wins. Combine coin recognition, addition, and probability with a game learners can play on their own.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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Listen to the beat of gravity. By taking two strings with weights tied to them at different, yet uniform intervals, you can hear the uniformity (and rhythm) of gravity's accelerating pull.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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This magic trick is based on how computers detect and correct data errors.

1 cent - $1 per group Ages 8 - adult 30 to 45 minutes
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In this activity, learners will build thier own balance scale. Learners will explore weight and comparison through this activity.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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Learners build pan pipes out of drinking straws by cutting them to different lengths. Then, learners make music by blowing across the straws and playing some well-known songs.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners compete to be the first to win twenty counting pieces. First, learners draw patterns on only one side of four craft sticks.

1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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In this activity, learners play a traditional Mexican game of chance with a twist. Learners take turns spinning a special "Toma Todo" top.

1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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In this math activity, learners play a card game to practice adding coins quickly, just like a banker. First, learners create coin cards. Next, the cards are dealt to each player.

1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
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In this number puzzle/trick, learner #1 thinks of a number between 1 and 63. Learner #2 shows learner #1 six cards and asks them whether the cards contain their number.

1 cent - $1 per group Ages 14 - 18 5 to 10 minutes
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In this activity (16th on the page), learners play a variation of the "I Spy" game to explore color. Learners work in teams with each team assigned a color.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners discover how to rotate a flat shape into the third dimension. Learners draw and cut out a shape that has at least one straight edge on an index card.

1 cent - $1 per student Ages 8 - 11 30 to 45 minutes
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In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity (located on page 2 of the PDF under GPS: Temperate Rain Forest Activity), learners will identify a group of deciduous trees to study.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners investigate balance and symmetry by designing a symmetrical butterfly, using a paper cutout.

1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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In this full inquiry activity (located on page 3 of the PDF under GPS: Kinetic Sculpture Challenge Activity), groups of learners will make predictions about which feature of a pendulum (mass, length,

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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Learners will do an experiment to determine which type of paper is strongest while focusing on variables and collecting data.

1 cent - $1 per group Ages 6 - adult 30 to 45 minutes
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These puzzles use four colors of socks in a drawer to get learners thinking algebraically.

1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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In this math lesson, learners compare pattern blocks to visually understand halves, thirds, and sixths.

1 cent - $1 per group Ages 8 - 11 30 to 45 minutes