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Toe-Tac-Tic
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In this activity, learners play a game similar to Tic-Tac-Toe. In this version, learners try NOT to get three-in-a-row. The player who gets three-in-a-row first loses!

Momentos de Mixing in Math: Varias Actividades Matemáticas de 5 ó 10 Minutos
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Los Momentos de Mixing in Math son actividades de 5 a 10 minutos que mantienen a los chicos ocupados, aprendiendo sobre el mundo, y usando matemáticas por su cuenta.

A Question of Balance
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In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.

Roller Coasters
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In this activity learners will build roller coasters and test them using small balls or marbles.

Everything Grows
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In this activity, learners explore patterns and sequences as they observe fictional plant growth.
Peppy's Day in the Park
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In this math activity, learners build Peppy the dog the best trail and park for running around.
Stack-o-Pennies Shop
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In this math activity, learners pretend there is a special store that lets you pay for toys by their height in pennies.
Take a Guess
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In this activity, learners use what they know about probability to figure out what is in a mystery bag. Learners analyze data to guess how many of each color crayons are in the bag.

Program a Friend
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In this activity (on page 2), one person "programs" the other like a robot to move through a space, trying to get them to avoid obstacles and reach a goal.

How Many Pennies?
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In this math activity, learners pretend there is a special store that lets you pay for toys by their weight in pennies.

T-Shirt Transformation
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In this activity, learners will repurpose an old t-shirt to create their own yarn or string.

Acting Out
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This activity (on pages 21-32 of PDF) has learners act out several classic brain teasers.

Going Green
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In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.
Many Seeds: Estimating Hidden Seeds
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In this activity, learners will estimate how many seeds are in a fruit or vegetable, then count to find out. The result: mix estimation with healthy eating.

Sumo
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In this version of a Sumo wrestling bout, players use mathematical skills to move their opponent's counter beyond the track and "out of the ring." Learners reveal playing cards and the player with the

Cylinders and Scale
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In this activity, learners investigate the relative growth of lengths, areas, and volumes as cylinders are scaled up.

Shower Estimation
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In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households.

Symmetry Fold-Overs
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In this math activity, learners experiment with the concept of symmetry.

Reflections
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In this quick activity, Dracula has a hole in his house and learners help solve the problem by using a mirror and protractor to reflect incoming light out of his house.

Static Water
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In this activity, learners will use static elecricity to bend a stream of water without touching it. Learners will explore physics and cause and effect through this activity.