Illustrative Mathematics
Price per Pound and Pounds per Dollar
Help learners understand the concept of unit rate as it is applied to buying beans at a grocery store. The objective is to determine the unit rate in two ways, and then apply each ratio to an additional problem. The attached commentary...
Curated OER
Impulse and Momentum
Students are introduced to the concepts of impulse and momentum and problem solving strategies for these types of problems. In groups, they discover the law of conservation of momentum and share their answers with the class.
Waterloo Mathematics
Grade 7 Patterning and Algebra: Algebraic Expressions
Classmates solve 18 different problems that are mostly word problems that apply algebraic expressions. They draw different combinations of masses on a scale that would balance. They also simplify expressions and solve for x in a number...
Curated OER
Working Backwards
In this calculations activity, students read the word problems and word backwards from the given numbers to determine the first number for each problem.
Curated OER
Find the Factors and Prime Factors
Show the class how to find the factors of numbers. They use a variety of strategies, including unifix cubes, to find the factors of a whole number. This resource includes clear procedure to follow. Included are an anticipatory set,...
Curated OER
Make a Match
Second graders examine the relationship between addition and subtraction. In this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to add and subtract.
Curated OER
Whodunnit?
Want to create an exciting mystery activity? Investigators will identify the elements of a mystery, review mystery stories, then write their own mysteries. They engage in forensic science experiments related to mysteries and learn to ask...
Curriculum Corner
Math Common Core Checklist for K-6
As the school year progresses, it can be challenging for teachers to keep track of the specific math standards they've covered and those that remain to be taught. This Common Core checklist solves this problem, providing educators with a...
DiscoverE
Build a Bobsled Racer
Host a design challenge of Olympic proportion! Junior engineers build their own bobsleds using simple materials. The activity focuses on kinetic and potential energy and how the center of mass affects motion on a downhill track....
Missouri Department of Elementary
Don’t Tease Me!
A whole-class discussion sheds light on school bullying and ways to prevent it. Scholars share a moment when they observed or experienced some sort of teasing. Pupils brainstorm ways such behavior can be stopped or prevented.
Kent State University
How Does that Work?
Sixth and seventh graders explore algebra word problems. They work with a partner to solve word problems distributed by e-mail. Learners simplify mathematical expressions following a "think aloud" algebra strategy modeled by the teacher....
Curated OER
Defining Division
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...
Curated OER
Measurement: 2D and 3D
Students solve volume problems. In this geometry lesson, the class watches a video about clean water (link provided) and individuals compare the volume of different prisms, including an actual drinking glass. Extension activities include...
Yummy Math
US Holiday Candy Sales
Candy is a big business! Calculate the amount of money consumers spent on major holidays—Easter, Halloween, Christmas, Hanukkah, and Valentine's Day—based on the total amount of candy sales from 2011 and the percentage of each holiday's...
Curated OER
Doghouses, Doors and Design
Students engage in active problem solving as they create a design for a doghouse.They work in collaborative groups to complete their task. In addition, they explore numerical problems and develop unique strategies to assist them with...
Missouri Department of Elementary
So Much to Do, So Little Time: How Do I Tie All of the Loose Ends Together?
How do people manage to get everything done when there are so few hours in a day? Scholars explore the question as they participate in small group discussions about time management. They construct a daily schedule and complete a...
Alabama Learning Exchange
Number Clues
Students practice problem solving. In this number identification lesson plan, students practice identifying numbers based on clues or characteristics given. They also work in groups to identify the clues for given numbers.
Curated OER
My Math Curse!
Math novices examine how math can help them in real-world situations. They listen to the book The Math Curse by Jon Scieszka, solve various word problems from the book, explore various math websites, write original math word problems,...
Curated OER
Finance and Responsible Lending
Students learn the characteristics of economic systems through problem solving, communication and representation. In this financial lending lesson, students use math to solve problems dealing with the economy today, to work with their...
Mathematics Vision Project
Module 6: Congruence, Construction, and Proof
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
Curated OER
What is cooperative negotiation?
Tenth graders differentiate between positions, interests, and values. In this current events lesson, 10th graders analyze, in a response to literature, the failure of a fictional negotiation. Students demonstrate the ability to use...
Curated OER
Hot Dog Stand: The Works
Students strengthen skills in mathematics, problem solving, and communication skills by working together in groups using "Hot Dog Stand: The Works" educational software.
Curated OER
You Can, Too!
Students and their parents participate in a volunteer opportunity in their community in order to solve a problem. In this problem solving lesson plan, students reflect on historical problems and see how they can solve a current problem.
Shodor Education Foundation
Algorithm Discovery with Venn Diagrams
Here is a instructional activity that takes an interesting approach to analyzing data using box and whisker plots. By using an applet that dynamically generates Venn diagrams, the class forms a strategy/algorithm for guessing the rule...