Curated OER
Walk-A-Thon
Students graph linear http://www.lessonplanet.com/review?id=180542equations. For this problem solving lesson, students calculate slope and plot ordered pairs on a coordinate grid. Using a real-life example of a walk-a-thon, students...
EngageNY
A Focus on Square Roots
Pupils learn to solve square root equations and rationalize denominators. Problems include those with extraneous solutions.
EngageNY
Bacteria and Exponential Growth
It's scary how fast bacteria can grow — exponentially. Class members solve exponential equations, including those modeling bacteria and population growth. Lesson emphasizes numerical approaches rather than graphical or algebraic.
EngageNY
Deriving the Quadratic Formula
Where did that formula come from? Lead pupils on a journey through completing the square to discover the creation of the quadratic formula. Individuals use the quadratic formula to solve quadratic equations and compare the method to...
Noyce Foundation
First Rate
Explore distance and time factors to build an understanding of rates. A comprehensive set of problems target learners of all grade levels. The initial problem provides distance and time values and asks for the winner of a race. Another...
Mathematics Assessment Project
Building and Solving Linear Equations
Young scholars write and solve linear equations in one variable based on descriptions of the operations that are applied to the unknown variable in an algebra machine. They then create their own problems for classmates to solve.
Virginia Department of Education
Hoppin' on the Elapsed Time Line
Time flies when you're teaching math! Okay, maybe not for everyone, but this lesson will have your young mathematicians calculating elapsed time before you know it.
Virginia Department of Education
Modeling Division of Fractions
Provide a meaningful context for learning about the division of fractions with this upper-elementary math lesson. Presented with a simple, real-world problem, young mathematicians work in small groups to develop visual models that help...
K20 LEARN
Baking Cupcakes!: Fractions
Following an engaging video, mathematicians solve a word problem about baking cupcakes using fractions. Scholars practice different problem-solving strategies, then find different ingredient amounts for their recipes. Pupils solve a...
College of Marin
General Addition and Multiplication Rules of Conditional Probabilities
Making connections between multiple methods of solving problems is an important part of understanding conditional probability. The lesson shows solutions to problems using Venn diagrams, tree diagrams, formulas, and two-way tables....
EngageNY
Using Trigonometry to Determine Area
What do you do when you don't think you have enough information? You look for another way to do the problem! Pupils combine what they know about finding the area of a triangle and trigonometry to determine triangle area when they don't...
West Contra Costa Unified School District
Talking About Distance, Rate and Time
Connect the tortoise and the hare fable to mathematics. Learners first identify key terms related to distance, rate, and time. They then solve distance/rate/time problems using different representations.
Curated OER
Patterns and Pentominoes
Students solve pentomino puzzles. For this problem solving lesson, students discuss how pentomino puzzles play into the plot of Chasing Vermeer by Blue Balliett and practice solving a pentomino puzzle on their own. Students will...
Curated OER
Real-Life Problems: Measures
Do your fifth graders have trouble writing out their work for word problems? Use this instructional activity about measurements and the four equations, which provides separate spaces to write the equations and the answers. A nice way to...
Curated OER
Real-life Problems, Money, and Weight
Solve five word problems involving money and weight. After studying the example at the top, which demonstrates how to write out the equation in a word problem, fourth graders work on adding large numbers in money and measurement. Here is...
Curated OER
Math Cross, Puzzle #26
Here is a measurement, money and time activity which invites learners to solve twenty-eight math problems utilizing addition, subtraction and multiplication strategies to complete a math crossword puzzle.
EngageNY
Solving Problems by Function Composition
Stay composed while solving problems. Learners put their knowledge of compositions to solve problems. To connect with the concept, scholars compose equations to answer questions from real-world situations. Finally, pupils practice using...
PBL Pathways
What Should Have Happened on Gilligan's Island?
"Just sit right back and you'll hear a tale ..." Gilligan's Island is a classic that spans generations and offers a problem-solving opportunity for scholars. Take a project-based learning approach to examine the population of the island....
Curated OER
Using Key Words to Unlock Math Word Problems
Students identify word problem strategies. In this problem solving lesson, students act as "math coaches" to identify key words that indicate mathematical operations. Students use a white board to complete each word problem
Curated OER
Summer Activities: Super Sand & Water!
Young scholars use funnels and create tunnels. In this early childhood lesson plan, students begin to understand science and math concepts such as flow, force, gravity, and volume and develop skills in areas such as problem solving and...
ISTE
Macaroni Math - Unit Overview
It's not just for lunch, mini mathematicians make use of macaroni to model addition and subtraction of numbers up to 10. They place macaroni pieces on their desk and take away to model subtraction, then write subtraction story problems....
EngageNY
Solutions of a Linear Equation
Use the distributive property to solve equations. The sixth lesson in a 33-part series has scholars solve equations that need to be transformed into simpler equations first. Class members apply the distributive property to the equations...
Curated OER
Outdoor Activities: Solve It-Outdoors
Young scholars practice problem solving skills. For this early childhood education lesson, students foster the ability to use creative and critical thinking to turn obstacles into bridges to greater learning as they complete various...
Curated OER
Leveled Problem Solving Solving Proportions Using Cross Products
In this solving proportions using cross products practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.