Mathematics Assessment Project
Generalizing Patterns: The Difference of Two Squares
After completing an assessment task where they express numbers as the difference of squares (i.e., 9 = 5^2 – 4^2), class members note any patterns that they see in the problems.
EngageNY
Substituting to Evaluate Addition and Subtraction Expressions
Substitute this resource for what you used to use. Learners identify patterns in data tables and write addition and subtraction expressions to represent relationships. Substitution allows them to solve problems in context in the 20th...
US Institute of Peace
Making a Difference: Becoming a Peacebuilder
Being an agent of change is no easy task! What are some of the common challenges that peacebuilders face every day? The 14th portion in a series of 15 explores the lives of peacebuilders. Grouped pupils discuss these challenges before...
Anti-Defamation League
Sneakers and Prejudice: Letters to Challenge Bias
After learning that NBA player Stephen Curry's shoes only come in boys' sizes, Riley wrote a letter sharing her concern, highlighting the gender bias and inviting Curry to take action. Scholars view a news clip, review the letters,...
EngageNY
Find Solutions to Make Equations True
The truth is always best. Individuals continue to find values that make equations true in the 26th installment of the 36-part module. The only difference is that they now call them solutions to those equations.
Learning to Give
Why Volunteer?
Inspire scholars to volunteer their time to make a positive change in their community. With help from research, a public speaker, and reflection, learners define and asses what it takes to be a volunteer in a business, non-profit,...
Scholastic
Math Word Problems
After reading The Mitten by Jan Brett, youngsters willuse the characters in the story to write word problems for addition and subtraction. For example, they may state that a rabbit had 7 carrots and then lost 2, how many were left? There...
Curated OER
Physical Setting: Physics Exam 2004
Twelve pages of mostly multiple-choice questions comprise this comprehensive New York Regents physics exam. It covers an entire year's worth of physics curriculum and requires about three hours for completion. Review the questions to...
Curated OER
Subtraction-There's Got to be An Easier Way!
Third graders observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities...
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
Decision-Making
Students focus on responsible decision making and values-clarification in this unit of lessons. They examine how values effect decision making can make the difference between a successful life and one filled with problems.
Curated OER
Thurgood Marshall Makes a Difference
Students find information about the life and legal career of Thurgood Marshall, including the NAACP and its causes. They comprehend the issues and context of the Brown v. Board of Education case that Marshall argued before the U.S....
Curated OER
Trash or Treasure?
Middle schoolers explore their experiences and reflect on how one person can make a difference in our world. In this service learning lesson, students analyze themes in music related to encouragement. Middle schoolers perform a service...
New Zealand Ministry of Education
Addition and Subtraction Pick n Mix
Teach your class how to mentally solve whole number addition and subtraction problems using compensation from tidy numbers including equal additions. They use appropriate recording techniques and predict the usefulness of strategies for...
Illustrative Mathematics
Kiri's Mathematics Match Game
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
One Hen
Making Choices
When choosing what foods to eat, there are a lot of factors to consider. To help make the decision a little easier, young learners work in small groups developing short plays, stories, or advertisements that address the different issues...
Curated OER
Who Wants to Spend $20,000?
Who wouldn't want $20,000 to spend? But, the question becomes, what do you spend it on? Learners discuss loans, interest, and making adult-like financial decisions. They role-play a scenario that depicts the choices of a girl who took...
Illustrative Mathematics
Field Day Scarcity
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
Curated OER
One Kid Can Make A Difference
Pupils make a pledge to make three positive choices for 30 days and track their progress. In this positive choices lesson plan, students discuss ways in which they can be healthier, protect the environment, be respectful, and more. They...
Curated OER
Rural Communities Make a Difference
Students research what analysts say influenced Ohio voters in a Presidential election and discuss what that meant in the election, especially in Ohio. Students use provide Internet sources for research.
Curated OER
Young Voters Make A Difference
Students research recent statistics on voting by those 18 to 24. They survey senior students to determine their intent to vote in the next election. Students display the data in charts and graphs. They write the results and share it with...
Curated OER
Subtraction
Students explore subtraction. In this mathematics lesson, students practice how to subtract numbers from 20, 100 and other whole numbers. Students realize that there are number bonds which can help with subtraction like 3 and 17 bonds to...
Curated OER
Older, Wiser, and Making a Difference
Students reflect on an adult who plays a significant role in their lives. They conduct peer interviews and write newspaper articles about these important individuals.
Cornell University
Making a Battery
Don't be shocked when your class has a blast making their own batteries! Science scholars examine a dry cell battery, then design and construct a wet cell battery. The activity guides them through the parts of a battery, the variables...