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Now or Later: The "Recency/Primary" Effect
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In this activity (18th on the page), learners conduct an experiment to examine memory.

Color Draw
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In this activity, learners use their understanding of probability to guess which color will be drawn from a bag.

Linear Functions: Mystery Liquids
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In this math lesson, learners analyze the density of liquids in order to explore linear functions.

Going for a Spin: Making a Model Steam Turbine
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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

Step Into Cyberspace
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In this activity, learners discover that they can modify a regular piece of paper so that it's large enough for them to walk through!

Polynomial and Rational Functions: Building Boxes
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In this math lesson, learners explore polynomial and rational function patterns.

Number Sense and Computation: Soak It Up
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In this math lesson, learners compare products to determine the best product.

How Quick Are Your Responses?
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In this activity (on page 134 of the PDF), learners explore reaction time.

Geometry: Let's Face It
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In this math lesson, learners identify, describe, and construct the five regular polyhedra.

Guess My Number
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In this math activity, learners play a game similar to 20 Questions, in which learners must identify a secret number drawn from a bag.

Arctic Sea Ice
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In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007.

Arctic Story Puzzles
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This activity has three story puzzles learners can solve to learn about life in the Arctic.
Penny Estimation
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In this math activity, learners estimate how many pennies are in a jar by predicting and counting handfuls of pennies.

Magical Möbius
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In this tabletop activity (on pages 32-40), learners make Möbius strips -- 3D surfaces with only one side.

Expose Your Nose
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In this simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell.
Spin to Win!
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In this math activity, learners play a probability game and try to be the first to get to the end of the game board path .This activity guide contains a material list, black line masters for the game
Starburst® Graph
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In this activity, learners use Starburst® candy to sort, classify, compare, and graph. Learners grab a handful of one-inch candy squares, sort them by color, graph the candy, and discuss the results.

CyberOlympic Card Game
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In this Cyberchase activity, learners use numbers to create CyberOlympic teams with the fastest times.

Calendarios para cualquier año
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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

Serving Sizes
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In this nutrition and estimation activity (page 12 of PDF), learners estimate serving sizes of different foods and compare their estimates to serving size information provided on nutrition food labels