Howard County Schools
Constant Rate Exploration
Question: What do rectangles and bathtub volume have in common? Answer: Linear equations. Learn how to identify situations that have constant rates by examining two different situations, one proportional and one not proportional.
Illustrative Mathematics
Walk-a-thon 1
Your mathematician's job is to explore the relationship between hours and miles walked during a walk-a-thon. The activity compels your learners to experiment with different means in finding out this proportional relationship. The answer...
Illustrative Mathematics
Logistic Growth Model, Abstract Version
Here learners get to flex some serious algebraic muscles through an investigation of logistic growth. The properties of the constant terms in the logistic growth formula are unraveled in a short but content-dense activity. Moving...
Chemistry Collective
Virtual Lab: DNA Binding Problem
Why do the bases in DNA pair up the way they do? Unravel the mystery of the double helix in a virtual lab. Young scientists follow in the footsteps of Watson and Crick to determine the free energy associated with DNA base pair binding....
InqueryPhysics
Interpreting Motion Graphs
Every movement in the world can be measured and even motionless objects can be significant indicators of movement. Focus on motion graphs that feature distance vs. time, speed vs. time, and positive and negative acceleration.
Cold Spring Harbor Laboratory
The DNA Molecule Is Shaped like a Twisted Ladder
One of the first models of DNA appeared to be a triple helix. Young scientists learn about the many scientists who worked to find the shape of DNA. They observe multiple models, tests, and experiments to understand the conclusions. An...
Curated OER
Kinetics Practice I key
In this kinetics worksheet, students solve six problems mostly about reaction rates. Included is a problem where students calculate reaction rates of sucrose and water and plot the data of the reaction.
Curated OER
Reaction Kinetics and Rate Laws
In this reaction kinetics activity, students draw a graph of energy vs. reaction progress and determine the factors which change the speed of a reaction. Students learn about rate laws. This activity has 1 graph, 15 fill in the blanks,...
Curated OER
The Gum Drop
Learners find the area of three figure by the traditional formulaic methods. Then they count the number of grid squares to double check. They show an intuitive sense of Pick's Algorithm by counting every two boundary squares as one unit....
CK-12 Foundation
Function Rules for Input-Output Tables: Function Machine 1
Challenge your classes to find the pattern of a double function machine. After recording the outputs of both machines, learners identify the pattern and the corresponding function. Both patterns involve adding/subtracting a constant.
CK-12 Foundation
Solving Equations with Exponents: Money Over Time
We'd all like to see our money double. An interactive shows how an initial investment of $1,000 will increase using a constant rate of return. Scholars answer a set of challenge questions based on the situation.
Curated OER
Double This
Students change verbal expressions to algebraic equations. They practice the vocabulary of algebraic equations.
Curated OER
Worksheet 28 - Definite Integrals
In this integral worksheet, students compute definite integrals, sketch line segments and shade regions for the integrals. This one-page worksheet contains six multi-step problems.
Curated OER
Kinetics
In this kinetics worksheet, students answer a variety of questions. They find reaction rates, determine the order of reactions and they determine rate constants. They calculate the half-life for reactants and they answer questions about...
Curated OER
A Penny Saved is a Penny Earned
Students explore the concept of exponential growth. For this exponential growth lesson, students manipulate power models with base 2. Students discuss what would happen if you doubled a penny over the course of 20 days. Students graph...
Curated OER
Kinetics Practice 2-Key
In this kinetics worksheet, students solve seven problems related to chemical reactions and their rates. Students identify rate laws for mechanisms, they draw reaction diagrams, and they determine rate constants.
Curated OER
WS 10.1 Solubility Product
In this solubility worksheet, students find the solubility product constants for four compounds and use solubility product constants to determine solubility data of four compounds.
Noyce Foundation
Snail Pace
Slow and steady wins the race? In the assessment task, scholars calculate the rates at which different snails travel in order to find the fastest snail. Hopefully, your class will move much more quickly in finishing the task!
Curated OER
Area and Perimeter Relationships
Sixth graders explore the relationship between area and perimeter. After discovering the definition of perimeter, 6th graders work together to create designs for a flower bed. They observe that the perimeter remains constant even...
Mathematics Vision Project
Quadratic Equations
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
Curated OER
Population and Food Supply
What does it mean for something to grow exponentially, and how does that compare to linear growth? This activity tries to help learners gain an understanding of these concepts while modeling real-world problems. Linear and exponential...
Curated OER
Moon Watch: Observing the Lunar Phases with a Model
How do you know the moon is going broke? It's down to its last quarter. The lesson provides a more accurate way to teach lunar phases, emphasizing not only naming or understanding them, but being able to explain why they occur....
University of Wisconsin
Teaching Things Fall Apart in Wisconsin: A Resource Guide for Educators
“There is no story that is not true, . . .” And uncovering the truths in Things Fall Apart is the focus of a 68-page resource packet designed to provide instructors with a wealth of materials that enhance understanding of Chinua Achebe’s...
CPM
Direct, Joint, and Inverse Variation
Here is a quick guide to direct, joint, and inverse variation used in realistic situations. Each topic has a page of notes and examples followed by practice problems. The resource explains each type of variation and provides their...