Curated OER
Math: Am I Prime?
Seventh graders determine the difference between prime and composite numbers.  On a Website, they discover a method to identify all the prime numbers  up to 100 and also complete several online activities.  Once they have discussed the...
Curated OER
Smart Doubling
Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.
Curated OER
Math Mania
Fifth graders review adding, subtracting, multiplication and division of fractions and decimals through a variety of activities and exercises.
Curated OER
Number Line Math
Second graders use a number line to practice subtraction.  In this subtraction lesson, 2nd graders use a number line to count backwards.  Students participate in mad math activities and solve problems.
Curated OER
Timed Math Competition
In this timed math competition activity, students add, subtract, multiply, divide, find the pattern, add fractions and measure angles in a timed game.
Pennsylvania Department of Education
Introducing the Coordinate Plane
Fifth graders practice using estimation. In this estimation lesson, 5th graders add, subtract, multiple, and divide using whole numbers, fractions, and decimals. Students decide upon instances when estimation is more appropriate than...
Curriculum Corner
7th Grade Math "I Can" Statement Posters
Translate the Common Core math standards into a series of achievable "I can" statements with this collection of classroom displays. Offering posters for each standard, this resource is a great way to support your seventh graders as...
Curated OER
Nine Months in School
In this multiplication worksheet, 3rd graders solve nine short word problems by multiplying by nine. There is an answer sheet included.
Noyce Foundation
Sewing
Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...
Curated OER
Solving Equations by Distributive Property
In this solving equations worksheet, students use the distributive property to find the value of the unknown.  This one-page worksheet contains 10 multi-step problems.  Answers are provided.
Curated OER
Whole Numbers
Student are assigned one of the sections on whole numbers.  After reviewing the content, they teach their assigned sections to other class mates.  They publish their findings on a PowerPoint slide show to use when they teach their section.
Curated OER
“I Can” Common Core! 6th Grade Math
Help your sixth graders reach their Common Core math standards by providing them with a checklist of "I can" statements for each standard. As each concept is covered, kids can check it off, as long as they can do what it states. 
Virginia Department of Education 
Rational Expressions
Demonstrate the progression of operations with rational expressions through a multi-day lesson, equipped with worksheets for each day. High schoolers develop the concepts needed to perform operations with rational expressions....
Curated OER
Eating on a Budget
Students are "given" $25.00 to spend at a restaurant. Using the Internet, they must "order" a complete 4 course meal while staying within their budget.
Curated OER
Two-Step Equations
Students explore the concept of solving two-step equations. In this solving two-step equations lesson, students watch a short video about solving equations. Students view a PowerPoint presentation about solving two-step equations....
Curated OER
Peekikng At Public Sculpture
Pupils use the internet to investigate public examples of sculpture. They reflect upon the possibility of being a reference of lifestyles that can exist in a society. A variety of media sources serve as inspiration for the activity.
Curated OER
Squirt
Fourth graders using the idea of "how many more squirts"  fill a container to develop multiplicative thinking. They also investigate  the idea of conservation of volume when working with oddly shaped containers. They attempt to use...
Curated OER
Buying My First Car
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Curated OER
Take Me Out to the Ball Game
Students play a math game which assesses their mastery of selecting the appropriate operation to solve specific problems.
Curated OER
Let's Go Consumer Shopping
Second graders rotate through various centers designed to practice consumer math skills. They complete a task card at stations simulating consumer transactions that would take place at toy store, grocery store, restaurant or school store.
Curated OER
Is Your Square Complete?
High schoolers practice solving quadratic equations using a form called Complete the Square.
Curated OER
Company is Coming
Students find a recipe for pancakes on the web then figure out how to half the recipe then figure how to make 3/4 of the pancakes.
Curated OER
Million Dollar Gift
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.