Worksheet
Curated OER

Probability

For Students 7th - 9th
Middle schoolers explore independent probability. They identify mutually exclusive outcomes. This two-page activity contains four multi-step problems.
Worksheet
Curated OER

Solving Quadratic Equations

For Students 11th
In this Algebra II worksheet, 11th graders use the quadratic formula to solve quadratic equations.  The six page worksheet contains instruction on topic, worked examples and five practice problems.  Answers are not provided. 
Lesson Plan
Curated OER

Isolating the Variable

For Teachers 9th
Ninth graders investigate how to solve equations with the variable present on both sides. They practice isolating the variable and combining like terms before solving the equation for the variable.
Worksheet
Curated OER

Divide Fractions: Homework

For Students 4th - 5th
In this fraction division worksheet, students review two steps to help them rewrite fraction division equations as multiplication equations. Students then complete the thirteen problems using the steps and write each answer in simplest...
Worksheet
Curated OER

Model Division: Reteach

For Students 4th - 5th
In this division with models activity, students review two steps to help them divide with fractions. Students then match each question with the correct model and complete the division sentence. Students then complete each division and...
Worksheet
Curated OER

Chapter 3 - Objective 1.1 Variable Expressions

For Students 9th - 10th
In this variable expression learning exercise, students solve one and two-step variable expressions containing negative numbers and fractions. This one-page learning exercise contains ten problems.
Interactive
Curated OER

Quadratic Equation Calculator

For Students 11th
In this Algebra II activity, 11th graders use an online quadratic equation solver to find the zeros of a quadratic.  The one page interactive activity provides one worked example and the equation solver. 
Lesson Plan
Curated OER

Factoring to Solve Quadratic Equations

For Teachers 9th
Ninth graders solve quadratic equations. In this factoring lesson, 9th graders answer questions from the text and complete a worksheet. 
Worksheet
Curated OER

Write a Number Sentence: problem Solving

For Students 1st - 2nd
In this number sentence worksheet, students learn the steps to write a number sentence to solve mathematical equations. Students solve a number sentence and then determine if there is another way to solve the problem.
Lesson Plan
Curated OER

Fruity Math

For Teachers 9th - 10th
Students solve one step linear equations. In this algebra lesson, students manipulate their variables and numbers to answer each problem. They make sure the equations stay balanced at all times.
Lesson Plan
Willow Tree

Solving Inequalities

For Students 8th - 11th Standards
What does solving an inequality have in common with solving an equation? Almost everything! A math resource focuses on the one exception. The examples lead learners through the steps of solving an equality when multiplying or...
Lesson Plan
West Contra Costa Unified School District

Solving a System by Substitution

For Teachers 8th - 10th Standards
Solving systems by substitution can be a challenging topic in algebra I. Here is a lesson that builds on students' understanding of intercepts to begin the process of substitution, and all work is reinforced graphically to build...
Activity
Colorado State University

If You Can't Predict the Weather, How Can You Predict the Climate?

For Teachers 6th - 12th
Why is the weather man wrong so often? Young climatologists discover how chaos rules both weather and climate through a math-based activity. Using an iterative equation, the class examines how small day-to-day weather events total up to...
Lesson Plan
Curated OER

Math: Navigating the World Around Me

For Teachers 4th - 6th
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Handout
University of Notre Dame

The Natural Exponential Function

For Students 11th - 12th Standards
Ready to apply the concepts related to the natural exponential equations and logarithmic equations? A math lesson reviews concepts from inverse properties to solving to derivatives and integrals. 
Assessment
Illustrative Mathematics

Transforming the Graph of a Function

For Students 9th - 12th Standards
Function notation is like a code waiting to be cracked. Learners take the graph of an unknown equation and manipulate it based on three different transformation changes of the function equation. The final step is to look at three points...
Lesson Plan
Curated OER

Defining Division

For Teachers 3rd - 5th
Upper graders explore division through fair-shares. They will review fair shares and fractions as a segway into division. They start by playing "Share Fairly" game and create mathematical arguments for solving problems. Manipulatives and...
Lesson Plan
Chymist

An Experiment in Alchemy: Copper to Silver to Gold

For Students 9th - 12th
Use chemistry to change pennies into gold coins! The experimental procedure leads learners through the process of changing copper pennies to silver and then to gold. They record the mass of each coin through every step of the experiment.
PPT
Curated OER

Properties of Equality

For Teachers 8th - 10th
What assumptions are made in order to solve equations? An instructional slideshow provides an overview and guided examples of how properties of equality can be used to justify each step in solving equations.
Worksheet
Curated OER

Word Problems that Use All Operations

For Students 5th - 7th
Although this word problem could be solved without algebra, it is an ideal way to incorporate algebraic equations and variables for easier solutions. The answer is explained below, so use this as an all-class warm up and cover up the...
Activity
101 Questions

Coin Counting

For Teachers 7th - 9th Standards
Cash in on a great resource. After watching a video of a coin counter, pupils estimate the number of coins and the amount of money they see. They then use additional given information and systems of equations to find the actual values.
Worksheet
Curated OER

Curved Lines

For Students 10th - Higher Ed
In this curved lines worksheet, students examine equations that, when graphed, present a curved line. They explore specified points on the graphed line and write an equation for the tangent line at given points. This two-page worksheet...
Lesson Plan
Curated OER

Graph Figures From Equations

For Teachers 9th - 12th
High schoolers explore the concept of graphing figures from equations. In this graphing lesson, students use Microsoft Math to graph figures from equations and write equations from graphed figures.
Organizer
Curated OER

Balancing Equations

For Students 10th - Higher Ed
In this chemical equations activity, students review the steps to balancing equations and then complete a graphic organizer by balancing 10 chemical reactions.