Curated OER
Maximizing and Minimizing the Area of Rectangles Given a Fixed Perimeter
Students explore the realms of measurement. In this math lesson plan, students analyze and solve problems in which rectangles with identical perimeters are compared to maximize or minimize area. This lesson can be extended for algebra,...
EngageNY
The Power of Algebra—Finding Primes
Banks are responsible for keeping our financial information safe. Mathematics is what allows them to do just that! Pupils learn the math behind the cryptography that banks rely on. Using polynomial identities, learners reproduce the...
EngageNY
Vectors and Stone Bridges
What does it take to build a stable arch? Pupils apply vectors and physics as they examine arched bridges and their structural integrity. They use vectors to represent the forces acting on the stone sections and make conclusions based on...
EngageNY
Tides, Sound Waves, and Stock Markets
Help pupils see the world through the eyes of a mathematician. As they examine tide patterns, sound waves, and stock market patterns using trigonometric functions, learners create scatter plots and write best-fit functions.
Missouri Department of Elementary
What Is Important to Me?
Pupils complete an activity sheet to determine what values are most important to them. They then discuss their responses with partners before sharing the results of the discussion with the class.
Curated OER
Division for Third Graders
Explore division and measurement relationships with your math class. They will work in pairs to measure and cut a piece of cord 100 centimeters or longer. Then they cut off equal pieces of less than 10 centimeters until all the cord is...
Curated OER
Money Matters
Students practice spending money by completing math word sentences. In this economics lesson, students utilize problem solving strategies to complete word problems written on the board involving making purchases with money. Students...
Curated OER
Mathematics Problem Solving-- Counting the Socks in the Drawer
In this math worksheet, young scholars read a word problem. Students are asked to present their solution using numbers, pictures and words.
Curated OER
Not So Snappy 9 Word Problems
In this math worksheet, young scholars practice solving word problems which require them to make a list or work backwards to find the solution. Students read and solve 5 word problems.
Curated OER
What Is It?
You have to love lessons that foster problem solving strategies. This one has upper graders devise and employ their own strategy to solve given problems after they have used classics like guess/check, substitution, make a table, and look...
Marilyn Burns Education Associates
Eighteen Flavors
Your learners will be tantalized by this inquiry-based, collaborative activity as they discover how to write an equation that represents the height of an ice cream cone. Given the scenario based on the poem, "Eighteen Flavors," and...
Pennsylvania Department of Education
Dividing with Fractions
Fifth graders explore the strategies to solve word problems using multiplication and division. In this problem solving lesson, 5th graders recognize the relationship between multiplication and division to solve problems. Students view...
Curated OER
Multiplying with Packages and Letters
Students explore multiplication. For this multiplication problem solving lesson, students view a video clip which demonstrates loading a truck with packages. Students fill in a blank array to represent 1"X 2" and the multiples when...
Mathematics Assessment Project
Comparing Strategies for Proportion Problems
Having problems with proportions? Then solve these proportion problems with an exercise that asks learners to first individually solve a set of problems involving ratios and proportional reasoning. Groups then discuss provided sample...
EngageNY
Efficacy of Scientific Notation
How many times could California fit into the entire United States? Pupils use scientific notation to find the answer to that question in the 12th installment of 15 lessons. It asks scholars to write numbers in scientific notation and...
Curated OER
Puzzled by Word Problems? See the Solution!
Students apply basic number concepts and computation skills while discovering problem-solving strategies. The contribute to a group activity, while demonstrating a knowledge of math problem solving with individual dry-erase boards so...
Curated OER
Hooked On Problem Solving
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
Curated OER
Jessica's Aquarium
Sixth graders use problem solving strategies to determine the amount of gravel needed to fill the bottom of an aquarium that is 50 cm long, 20 cm wide, and 30 cm high. Students use centimeter cubes and brainstorm strategies they might...
Illustrative Mathematics
Listing Fractions in Increasing Size
Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...
Curated OER
Hey, Pythagoras! Help Me Understand Your Theorem!
Learners explore the Pythagorean Theorem. In this math lesson, pupils solve problems using the Pythagorean Theorem. They select the appropriate numbers to substitute in the formula to solve problems.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate simple sums.
Curated OER
Mystery Strategy for Elementary Students
Learners of all ages solve historical mysteries. Elementary learners research historical topics by organizing information presented by their instructor, formulating hypotheses, and considering solutions to mysteries presented about...
Curated OER
Multiplication Strategies - A Day at the Zoo
This is an amazing 33-page resource for teaching multiplication! Your mathematicians will discover the connection between multiplication and repeated addition. They also will work collaboratively with arrays while studying zoo animals....
Curated OER
Word Problems Dealing with Ratio and Proportion
Mindful middle-schoolers read and solve a number of word problems. Learners copy and discuss what they believe their strategies are in solving each problem. They also write their findings and share with the rest of the class.