Curated OER
The Window Problem
Young scholars identify patterns and compute formulas to solve the problems. In this algebra lesson, students come up with a rule given a pattern, and analyze the relationship between data and graphs.
Mathematics Assessment Project
Solving Quadratic Equations
Scholars first complete an individual assignment using a quadratic equation to model the movement of a bus around a corner. Learners then discuss their solutions with classmates and analyze the provided sample responses.
Virginia Department of Education
Quadratic Equations
Review the multiple methods of solving quadratic equations through an analysis of the discriminant. Scholars use the discriminant to determine the best solution method and then solve various equations. As a challenge, learners build...
Curated OER
Peter's Third String
Explore the solution to a word problem involving area and perimeter. Learners read and discuss how to approach the problem. In small groups, they determine the maximum area of a rectangle with a given perimeter using a piece of string....
EngageNY
Modeling with Inverse Trigonometric Functions 1
Where should I stand to get the best view? Pupils use inverse trigonometric functions to determine the horizontal distance from an object to get the best view. They round out the lesson by interpreting their answers within context.
Curated OER
Inverses as a Form of Undoing
Middle schoolers use inverse operations to solve two-step equations. They study a story problem about inverse operations, watch a video about the problem, and complete a handout for the inverse problem. Pupils finish with two...
Curated OER
Addition and Subtraction - First Grade
Twenty-five multiple choice addition and subtraction problems fill the six-page worksheet. Many are word problems that include graphics to help learners visualize the situation. A useful tool in meeting Common Core standards!
Curated OER
Is This a Rectangle?
How do you show that something is a rectangle? This activity starts with four coordinate points and asks young geometers to explain whether they create a rectangle. Knowledge from both geometry and algebra come into play here, as well...
Illustrative Mathematics
1.OA, NBT, The Very Hungry Caterpillar
First graders are exposed to addition of three whole numbers in a math activity centered around Eric Carle's, The Very Hungry Caterpillar. As the teacher reads, young mathematicians use counters and ten-frames to symbolize the number of...
EngageNY
Using Trigonometry to Find Side Lengths of an Acute Triangle
Not all triangles are right! Pupils learn to tackle non-right triangles using the Law of Sines and Law of Cosines. After using the two laws, they then apply them to word problems.
Illustrative Mathematics
Sports Equipment Set
Many middle schoolers like to play sports and the equipment that goes with it costs money. The resource sets up an inequality that gives a total amount needed to purchase the equipment and the initial amount of money already obtained. In...
West Contra Costa Unified School District
Quadratic Equations — What We Know
Everything you could possibly want to know about quadratic equations, all in one resource. Instructors demonstrate how to translate between different forms of quadratics (equation, table of values, graph, verbal description) and finding...
Curated OER
Be a Problem Solving Star
Third graders observe a math problem and discuss what it is and what they should do with it. They are introduced to the STAR steps for problem solving and discuss how to use it to answer math problems as well as incorporating some of the...
Curated OER
Comprehension Word Problems
Fourth graders solve word problems. In this ordinal numbers problem solving lesson, 4th graders draw a diagram to support their answers on a worksheet.
Curated OER
Turning the Tables: A Guide to Devising Your Own Story
Students observe and demonstrate how to decipher and organize the information in a math word problem and apply mathematical concepts to different story problems. They discuss the parts of a story problem, and write their own original...
Curated OER
Multiplication Stories
Second graders solve various multiplication math word problems involving cars and people, fish and fish bowls, and tables and table legs. They write and solve multiplication story problems related to whole numbers, addition, subtraction,...
Curated OER
The Power of Algebra
First graders explore patterns. They look for patterns in number problems and use algebra as a means of solving general problems. Students devise a strategy to solve the number problem.
Curated OER
Treasure to Ship
Second graders explore and solve an algebraic word problem. They listen to a poem about pirates, describe the word problem in their own words, and independently solve the problem using colored rods to represent the pirates and treasure...
Curated OER
Writing and Solving Equations
Fifth graders explore equations. In this solving equations lesson plan, 5th graders examine visual examples of writing and solving equations. Students also practice solving problems that their instructors model.
Curated OER
Mathematical Problem Solving
Second graders solve story problems. In this story problem lesson, 2nd graders solve the problems and explain how they came up with their answers. They create their own story problems to be solved.
Curated OER
Solving Equations in One Variable
In this solving equations in one variable worksheet, young scholars solve 38 simple and complex equations. Students then write and solve equations for 6 word problems.
Curated OER
Model and Solve Algebraic Equations
Examine multiple ways to solve algebraic equations. Pupils will generate a problem solving strategy that addresses the prompt given by the teacher. They will then share their problem solving strategy with the class. Graphic organizers,...
Curated OER
Number Sense
Students convert between decimals and fractions. For this algebra lesson, students show their knowledge of numbers by putting them on a number line. They apply the concept of algebra to solving word problems. Students will use a Ti...
Pennsylvania Department of Education
Dividing with Fractions
Fifth graders explore the strategies to solve word problems using multiplication and division. In this problem solving instructional activity, 5th graders recognize the relationship between multiplication and division to solve...