National Nanotechnology Infrastructure Network
Shrink Me!
The incredibly shrinking meter—decimeters to centimeters, to millimeters, and now to nanometers! Learners may have a difficult time visualizing particles on a nanoscale. Help them see a little clearer using a well-designed lesson that...
National Nanotechnology Infrastructure Network
The Micro and Macro World Around Us
Don't let your eyes play tricks on you ... use scale to keep your eyes in check! Young scholars observe images without scale and try to identify the structure. Then, they look at the same image with a scale bar and assess whether their...
Curated OER
Optical Illusions
Students investigate optical illusions. In this optical illusions instructional activity, students explore perception. Students analyze optical illusions and determine common misconceptions.
National Nanotechnology Infrastructure Network
Scale Models
With instructions to adapt the activities for any grade K-12, any teacher can incorporate the concept of scale into the classroom with a simple, yet effective lesson.
Inside Mathematics
Winning Spinners
Winning a spin game is random chance, right? Pupils create a table to determine the sample space of spinning two spinners. Individuals determine the probability of winning a game and then modify the spinners to increase the probability...
Curated OER
It Counts
Students classify and compare plants using specific information, observations, and numbers. In this mathematical inquiry lesson, students use plant characteristics to describe, compare, and classify them. They attempt to develop a system...
Curated OER
Law of Large Numbers - Hospital
Students explore concepts of probability and independent events. They develop a formula for deviation percentage.
Curated OER
The Nature of Mathematics
Students work in groups to describe plants using numbers. In this number lesson, students use numbers to define plants and then use numbers to write descriptions of themselves.