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Measuring Rules
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In this math activity, learners create their own units of measurement by making noodle rulers. Learners practice estimating and measuring objects using the noodle rulers .
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-552.png?itok=PTaxjG5R)
Stride Ruler
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In this activity, learners use their feet to estimate distances. Learners calculate the distance of one step in centimeters by measuring 10 steps at a time to reduce measurement error.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-437.jpg?itok=v3WhUTBv)
Jump Like a Frog
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In this math activity, learners jump and measure how far they can jump on different surfaces using different jumping techniques.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-836.jpg?itok=S5JfYOLT)
Bark Beetle Infestation Investigation: Estimation and Pheromones
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This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.
Shady Snakes
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In this activity, learners make pretend snakes and use them to explore estimation and measurement. Learners roll out clay snakes and estimate and measure their lengths and diameters.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-660.jpg?itok=biULyERy)
In Proportion
Source Institutions
Through this nutrition activity (page 5 of the PDF), learners will understand—and probably be surprised by—how big serving sizes of various foods should be.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-946.jpg?itok=y2kRYIRd)
Tri, Tri Again
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Learners estimate how many small triangles will fill a larger shape. Then they use a triangle stamp (or stencil made from a file folder) to fill the larger shape with triangles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-632.png?itok=puioppt0)
Piles of Pennies
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In this coin math activity, learners sort and stack 100 (one hundred) pennies into piles of 5 pennies each, 10 pennies each, and 20 pennies each.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-681.jpg?itok=cBJEouSB)
Estimation
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In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-479.jpg?itok=dwbxPUE2)
Just a Minute
Source Institutions
How much can you do in one minute? In this activity, learners estimate how many times a partner can complete a task (like writing their name or jumping jacks) in one minute.