CK-12 Foundation
Multi-Step Equations
It's important to know why each step in solving an equation works. Scholars order the steps and reasons when solving a multi-step equation. Solutions require using the distributive property, combining like terms, and using properties of...
iCivics
Step 1: Change the World?
Want to change the world? Where do you begin? Scholars analyze the steps that must take place to make change in society. The first installment of a 10-part County Solutions - High School series brings the real world to the forefront as...
CK-12 Foundation
Problem Solving Plan, Mental Math: The Perfect Lemonade 1
Find the perfect amount of water for lemonade. Scholars solve the famous problem of measuring four liters of water using a three-liter container and a five-liter container. An interactive allows users to see each step of the solution.
EngageNY
Construct an Equilateral Triangle (part 1)
Drawing circles isn't the only thing compasses are good for. In this first installment of a 36-part series, high schoolers learn how to draw equilateral triangles by investigating real-world situations, such as finding the location of a...
Virginia Department of Education
Equations
Science equipment can be handy for math class, too. Scholars learn to solve one- and two-step linear equations by using the concept of a balance. They solve real-world problems in a variety of contexts by writing and solving linear...
EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
BW Walch
Solving Systems of Linear Equations
Solving systems of equations underpins much of advanced algebra, especially linear algebra. Developing an intuition for the kinds and descriptions of solutions is key for success in those later courses. This intuition is exactly what...
Missouri Department of Elementary
Opportunity Knocks, But It Costs, Too!
Sixth graders practice six steps to effective problem solving. Working with the school counselor, class members are presented with a scenario that requires them to make a decision. Individuals then write a reflection in which they...
California Academy of Science
Sustainable Water Solutions: Weighing the Pros and Cons
Switching indoor water fixtures to low flow reduces water usage by more than 45 percent. This and other solutions to reduce water usage have both pros and cons. Scholars view videos of different solutions, discuss them in small groups,...
Curated OER
Radical Equations
This task gives geometry learners practice in solving radical equations in one variable and zeros in extraneous solutions.
EngageNY
Multi-Step Problems—All Operations
Harness the power of algebra to solve problems. Young mathematicians learn to work out multi-step problems by applying algebraic techniques, such as solving equations and proportions. They use tape diagrams to model the problem to finish...
California Academy of Science
Sustainable Food Solutions: Weighing the Pros and Cons
A growing demand for sustainable food systems comes from schools and even some cities. So what are some solutions? Scholars consider four different ways to approach sustainable food solutions and list the pros and cons of each. The fifth...
Illustrative Mathematics
Paying the Rent
Learning how a bank account works is a useful tool. The exercise in the resource is to deduct rent from a checking account and create an equation from a description. Participants then graph the balance of the bank account versus months...
Lorain County Community College
Solving Linear Equations
Put your mathematicians to the test and see if they can solve this activity full of multi-step equations with rational numbers. Add, subtract, multiply, and divide with fractions and decimals to solve for x. The top of the activity has...
BW Walch
Solving Linear Inequalities in Two Variables
Although graphing a linear inequality on the plane is but a few steps added onto the graphing of a linear equation, for many learners the logical leap is quite intimidating. This approachable PowerPoint presentation breaks graphing...
BW Walch
Solving Systems of Linear Inequalities
One thing that puzzles a lot of young algebrists is the factors in a word problem that are taken as "understood". This presentation on solving systems of linear inequalities does a great job walking the learner through how to tease those...
Nuffield Foundation
Making a Calibration Curve for Starch Concentration
How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.
California Academy of Science
Your Hidden Water Footprint: Defining a Problem to Find a Solution
One 17-ounce bottle of Cola requires around 46 gallons of water to produce. How is that possible? Young scientists learn about the hidden water used to produce everyday items. They research, discuss, and look for ways to reduce water...
Missouri Department of Elementary
“Re-Solutioning”: Practice Brings Out Our Best
Seventh graders create and perform a skit that demonstrates their conflict resolution skills. They begin by examining the process of crafting a performance and review what they have learned about conflict resolution. Next, they...
Fredonia State University of New York
Watch Your Step…You May Collide!
Can two lines intersect at more than one point? Using yarn, create two lines on the floor of the classroom to find out. Cooperative groups work through the process of solving systems of equations using task cards and three different...
Curated OER
A Solubility Curve for Potassium Nitrate
Step-by-step laboratory instructions are listed so that chemistry explorers can consider the solubility of potassium nitrate. They combine their results with those of other lab groups and then graph the data to display the solubility...
Curated OER
"Andy Works for Charity"
Explore a real-word math problem with your class. Strengthen their problem-solving strategies by coming up with an answer to a money question. They work in groups to determine the answer. Also, they share with the class the various...
Curated OER
Decimal Word Problems
In this decimals worksheet, students solve word problems containing decimal numbers and one step problems. Students complete 5 problems.
Curated OER
Five Steps to Fixing World Problems in Africa
If your scholars are examining world issues, consider this redirect in having them focus on world solutions. This simple handout has partnerships analyzing one pertinent challenge Africa is currently facing, and coming up with a...