Authentic Lessons for 21st Century Learning
This lesson addresses writing linear equations when given a graph. Students will use their knowledge of slope and y-intercept to analyze linear graphs and represent what they see graphically as an equation. This lesson also offers an opportunity to reiterate the meaning of slope and y-intercept, while... Read more »
Created by: K20 Center
Date Updated: October 8th, 2025
Writing Linear Equations: Graphs
In this lesson, students will be introduced to general types of chemical reactions. They will look for patterns to group similar reactions together, then use that as a way to put academic language to those groups. A basic understanding of chemical reactions and notation is necessary to complete this... Read more »
Created by: K20 Center
Date Updated: September 26th, 2025
Classifying Chemical Reactions
In this lesson, students will learn how to predict electron configuration and valence electrons by exploring patterns within the periodic table. Students will discover that elements are arranged in increasing order of their atomic number in the periodic table, and then the elements repeat their properties... Read more »
Created by: K20 Center
Date Updated: September 23rd, 2025
Introduction to Periodicity and Electron Configuration
This lesson is an investigation of the relationship between force, mass, and acceleration (F=ma). The lesson includes a lab activity, research poster, and reflection to introduce and reinforce Newton's 2nd Law of Motion. Read more »
Created by: K20 Center
Date Updated: September 23rd, 2025
Newton's 2nd Law of Motion
Students gather and analyze data, identifying all possible data that is less than, less than or equal to, equal to, greater than or equal to, or greater than the generated line of best fit. Read more »
Created by: K20 Center
Date Updated: August 21st, 2025
Linear Inequalities
In this lesson, students toss balls of trash, or "trashketballs," into a wastebasket, recording their shooting percentage at various distances from the basket. With distances measured and percentages figured, students create a scatter plot and a line of best fit to make a linear model of the shooting... Read more »
Created by: K20 Center
Date Updated: August 21st, 2025
Scatter Plots and Lines of Best Fit
Students will physically model the concept of simplifying algebraic expressions as a class then apply this knowledge to written expressions. This is a great lesson for both introducing, as well as remediating, the concept of combining like terms. Read more »
Created by: K20 Center
Date Updated: August 8th, 2025
Simplifying Algebraic Expressions
Annotating a text allows students to process information about an author’s purpose and point of view. In this lesson, students will learn techniques for analyzing a text to create an argumentative paragraph related to an author’s style. This lesson may be adapted to fit any text with a particular style... Read more »
Created by: K20 Center
Date Updated: July 29th, 2025
Style and Syntax
Students will investigate the similarity of reproduction, embryonic development, and DNA sequences to illustrate the indirect evidence for evolution. This lesson is adapted for a middle school class. Read more »
Created by: K20 Center
Date Updated: July 23rd, 2025
Evolution: Embryonic Development
No more: "I'm not a math person!" "Growth mindset" is more than a buzz phrase—it shapes instructional choices. This session explores what growth mindset is and how it can support reluctant math learners. The math achievement gap—the math anxiety and frustration that comes with that—is very real for... Read more »
Created by: K20 Center
Date Updated: June 30th, 2025
