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Bianca's Body Math
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In this Cyberchase activity, learners use math to explore how parts of the body are proportional.
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

Breaking the Code: Mayan Math
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This is a lesson plan for an activity in which learners, playing the role of archeologists, use math concepts about number bases to decipher the Dresden Codex, an ancient Mayan document.

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

Cats and Canaries
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In this math puzzle game, learners work together to use algebraic reasoning and fun clues for solving word puzzles.

Tessellations
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In this activity, learners will engineer a new shape and use it to create a new pattern with no wasted space.

Learn About Measurements Using a Homemade Scale
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In this activity, caregivers and young learners work together to make a scale from household materials to compare different weights--an essential principle in early math.
Number Flips
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In this math activity, learners play a number game to explore the relationships between numbers, combinations, and the concept of equivalency.

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

Backyard Graphing
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In this math activity, learners will create a scale diagram of their backyard or other outdoor area on graph paper.
The Same Names
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In this math activity, learners make and explore patterns using the letters in their names, a grid, and some colors.

Number Systems and Number Theory: Factor Game
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In this math lesson, learners play a game to identify the properties of prime, composite, abundant, deficient and perfect numbers.
Frustrations with Fractions
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In this math activity, learners make a set of fraction cards to play a game that will help relieve their fraction frustrations.
Numbered Heads
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In this math activity, learners play a game and use a variety of strategies to solve a hidden number problem (or missing factor). Learners practice their number and operations skills.

Playground Patterns of Cracks
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In this math activity, learners observe and sketch cracking patterns in pavement.
Shape & Solid Exploration
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In this game, learners use clues to identify mystery shapes. Use everyday objects (like from the pantry) as the shapes.

I Don't Think So!
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In this math activity, learners explore probability as they play a game. Learners will categorize everyday events as either impossible, possible or certain.

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

How High (or Low!) Can You Go?
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In this math activity, learners play a game using their number sense to make the highest or lowest number possible. Use this activity to explore place value and/or decimals.

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.