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Ladybug Spots
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In this art/science/math activity, young learners are introduced to the concept of symmetry in nature.

Decoding Machine
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In this math lesson, learners explore variables and their uses.

Weight in Space
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In this activity, learners are challenged to calculate their own weight on various planets using a scale and calculator. Older learners may be challenged to do so without using calculators.

Playground Patterns of Cracks
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In this math activity, learners observe and sketch cracking patterns in pavement.

Generating and Recording Data
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In this math activity, learners use a "function machine" to collect and organize simple data. The function machine in this case is a cardboard box and the input/output data are paper fish.
Toothpick Patterns
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In this math activity, learners make toothpick designs by following simple patterns.

Stairway to the Sky
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In this math activity, learners use cubes to calculate how many blocks it would take to build stairways with different heights.
Pom-Pom Probability
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In this math activity, learners predict how many pom-poms they can toss inside a circle from three feet away. Use this activity to help learners explore probability.
Squeeze Me!
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In this math activity, learners guess a secret number between 1 and 100 in a three-player game.
Magic Turtle Squares
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In this math activity, learners create a magic turtle where all the rows, columns and diagonals add up to fifteen.
Pattern Families
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In this math activity, learners sort patterns into similar "families" or groups that have the same pattern, but different symbols.
More Bubbles!
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In this math activity, learners make their own bubble wands and determine if the size of the wand affects the number of bubbles it produces.
Race to the Dollar
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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.

The Great Toss Off!
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In this math game, learners toss plastic cups to land just right and collect points to win.
Movin' and Groovin'
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In this math activity, learners play a game and identify patterns with fun moves and sounds. Discover how dancing and signing involve patterns.

Toss a Score!
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In this math game, learners toss plastic cups to land just right and collect points to win.

Inverse Square Law
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In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.
Find Someone: Use Math to Learn About Friends
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Create a “Find Someone” list, with about 10 items, each containing a shape, number, or measurement. Can you find someone in the group with hair about 4 inches long? Someone wearing parallel lines?

Measure the Sun's Size
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In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

Slide Rules
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Learners make their own simple slide rules out of paper and learn how they work.