Code.org
Algorithms Detour - Minimum Spanning Tree
This optional lesson introduces the class to the idea of a minimum spanning tree. The activity focuses on determining an algorithm that will find the most efficient path in a network to transfer data.
Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson plan starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
K20 LEARN
Decomposers—Fraction Style: Fractions
"What are fractions composed of?" is the essential question of a lesson designed to enhance understanding and strengthen the foundation of adding fractions. Mathematicians start by discussing what makes an equation true or false, then...
EngageNY
Interpreting Division of a Whole Number by a Fraction—Visual Models
Connect division with multiplication through the use of models. Groups solve problems involving the division of a whole number by a fraction using models. The groups share their methods along with the corresponding division and...
Purdue University
Simple Machines
What's the best way to use a simple machine to solve a real-world problem? Scholars construct their own simple and complex machines to explore the concepts of work and force. They discuss examples of simple machines they have found in...
Curated OER
What's A Problem?
Fifth graders utilize strategies to solve a variety of problems and create problems of their own. They write explanations of problem solutions and using a checklist, evaluate themselves.
Curated OER
Real World Problems
Eighth graders solve real world problems. In this solving real world problems lesson, 8th graders decorate a school cafeteria for a dance. Students determine the number of balloons needed to put a balloon every foot for the 40 by 60...
Curated OER
Number Lines
First graders examine the number line as an addition strategy. In this math instructional activity, 1st graders create a number line and use it to help them solve addition problems.
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
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
Cool Tools to Solve Challenging Word Problems
Young scholars solve math word problems. In this cool tools lesson, students are introduced to the K-N-W-S method. Young scholars work in groups and complete a worksheet using this method of learning.
Curated OER
Whole Language Approach in Solving Word Problems
Students explore the concept of word problems. In this word problems lesson, students read a version of the Three Little Pigs. Students discuss what math vocabulary words such as 'in all' and 'many more' meant in the story.
Curated OER
Hoping Backward to Solve Problems
Students use number lines to compare differences. In this math lesson, students use a number line to solve problems. Students predict differences and answer puzzles using subtraction.
Curated OER
Partial Products
Students use the partial products algorithm to complete multiplication problems. In this partial products lesson plan, students are introduced to the algorithm and connect the relationship to multiplication and division problems.
Curated OER
Dividing by 3's
Third graders review and practice strategies for solving division problems. In this division by 3's lesson, 3rd graders play games, use an interactive whiteboard, create flashcards, and solve word problems.
Curated OER
Using Part To Whole
Students engage in a math instructional activity that is concerned with developing problem solving skills. They emphasize the cognitive reasoning of seeing parts as pieces to a whole. Writing is integrated into a cross-curricular study...
Curated OER
Cartoon Fractions
Students explore mathematics by viewing cartoons. In this math functions lesson, students read several "Peanut" cartoons on their worksheets as they solve fraction problems and compare them to the comic strip. Students utilize addition,...
Curated OER
Resolving Conflict
Learners observe the best ways to resolve conflicts. In this problem solving lesson, students read and evaluate a Clifford story about how he could have resolved conflict. A strategy of resolving conflict is given, and learners role play...
Curated OER
A Chair for Mr. Bear
Students listen to Goldilocks and the Three Bears, and work collaboratively to create a chair for a small stuffed animal that will allow it to sit upright and withstand a short drop out of Legos. Students write about the engineering...
Curated OER
The Declaration of Independence
Students empathize with the colonists. In this lesson on the Declaration of Independence, students collaborate to problem solve a school dilemma that enables them to understand the issues and difficulties that occurred in the creation of...
Curated OER
Multiplication: Determining the Weight of Multiple Objects
Seventh graders use their knowledge of multiplication and problem solving to determine the total weight of multiple objects. In this multiplication lesson, 7th graders weigh various manipulatives, record the weight, and use...
Curated OER
Multiplication and Division Pick 'n' Mix 2
Fifth graders practice a wide range of strategies for solving multiplication and division problems with whole numbers and decimal fractions. They interact with operations on decimals, relevant size and place value of decimals to three...
Curated OER
Gotcha Covered, Pardner!
Young geometers use the interactive website Cyberchase to practice calculating both area and perimeter. Real world problems encourage learners to discover that we use math each and every day.