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Pattern Sticks
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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.

Estimation Exploration
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In this "Sid the Science Kid" activity from Episode 103: Enough With the Seashells!, learners practice estimating numbers of objects (like shells) and then check their estimates by counting.

Is it a Fair Game?
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In this math activity, learners play two versions of a card game and decide what makes a game fair. Learners also practice addition and subtraction skills.

Toma Todo
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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.

Black Holes: No Escape
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This fun and simple hands-on astronomy activity lets learners experiment with marbles and weights to discover some basics about gravity and black holes.
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.

Circle Logic
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This is a deceptively simple game to teach strategy, planning, and pattern analysis. In this game, learners take turns removing tokens from a board, and develop a plan to take the last piece.

Color Spy
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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.

Topographic Investigation: Map an Underwater Surface
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In this activity, learners create a map of a hidden surface using a "sounding stick" -- a technique similar to how underwater maps were once made.

Symmetry of Butterfly Wings
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In this activity, learners investigate balance and symmetry by designing a symmetrical butterfly, using a paper cutout.

Magnetic Sensory Bottles
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In this activity learners will investigate magnetic and non-magnetic items in a sensory bottle.

Chocoberry Chillers: Volume for Thought
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In this Cyberchase activity, have fun measuring volumes and enjoy a delicious shake.
Secret Message
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In this fun math activity (page 1 of the pdf), learners exercise the creative part of their brain by trying to describe a number without mentioning the actual number (for instance, the number 12 could

Speed, Eggs and Slam!
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In this fun hands-on activity, learners create a safety device to protect an egg "passenger" in a toy car crash. Learners experiment with different solutions to this very problem.

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.

Our Place in Our Galaxy
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In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.

Think Fast!: Just How Quick Are You?
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This is an activity about reaction times. Just how quickly must an NHL goalie respond to save a shot, and how does your reaction time compare?
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.