National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Curated OER
Subtraction with Regrouping Lesson Plan
Learners explore regrouping while subtracting. In this subtraction lesson, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
Curated OER
Subtraction: 3-Digit Regrouping
Third graders listen to a lecture and view a PowerPoint presentation on using regrouping in three-digit subtraction problems. They use a spinner to form three-digit subtraction problems and complete them.
Curated OER
Carry and Borrow
Second graders complete basic math computations. In this addition and subtraction lesson plan, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. ...
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Overcoming Obstacles
Adapting to Change
Peter Pan doesn't want to grow up and doesn't want to change. Many middle schoolers feel the same way. The first lesson in the "Looking to the Future" module underscores the concept that change is a natural part of life and that a...
Curated OER
Less Than Zero
Learners keep track of money. In this money management lesson, students read Less Than Zero by Stuart J. Murphy and manipulate a number line to keep track of spending and borrowing in the story.
Curated OER
A Borrower And A Lender Be
Second graders practice addition and subtraction in this fun, technology-based Mathematics instructional activity for the second grade classroom. The instructional activity includes resource links, video clips, interactive websites, and...
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Carry and Borrow Numbers
Second graders learn a carrying numbers song. In this addition and subtraction lesson, 2nd graders practice carrying and borrowing numbers that need to be carried or borrowed. Students see the teacher model carrying and borrowing...
Curated OER
Less is More: Subtraction in Action
Students participate in group games to help review the concept of subtraction. During the games, they practice subtracting two-digit numbers and the concept of borrowing. They review their answers with the class and move on to...
Curated OER
Serial Forms/Material Difference
Young scholars analyze pop art and discuss artists' choices for materials, line, color, and scale. In this art analysis lesson, students consider artists' choices and compare works. Young scholars make a two or three dimensional work of...
Curated OER
Writing Number Sentences
Students practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...
Curated OER
Jump Rope Math
Students practice grade level math skills. In this math lesson, students solve math facts on index cards and collaboratively arrange them in numerical order on a jump rope. Correct order earns the team a chance to physically move towards...
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...
Curated OER
The Cajuns: Natives with a Difference!
Students examine the immigrant experiences of various culture groups. Using this information, they work together to compare and contrast these experiences with those of the Cajuns. As a class, they define ethnic group and research the...
Curated OER
Inflation and Unemployment
Learners explore the role of government in the economy market. In this economics activity, students analyze the decision making and how it takes into consideration additional cost, benefits and public awareness of what they are trying to...
Curated OER
Debit or Credit-You Decide
Students identify the similarities and differences between an debit and credit card. In this debit or credit lesson plan, student explain the advantages and disadvantages of using cash and consumer credit to purchase good and services...
Curated OER
Fahrenheit Follies
Second graders analyze the effects of sunlight on a glass of water by using the thermometer to measure its temperature. They predict and measure the difference between water outside in the sun and shade and inside. They role-play a game...
Curated OER
Studying Fossils: Hominoid Skull Comparison
High schoolers collect data on the differences in Hominid skulls using acrylic casts of fossil skulls. They measure a series of structures on skulls from six different species then use the data to determine evolutionary relationships...
Curated OER
Music Education, The Blues
This lesson examines both the content and form of lyrics in blues songs. In addition to highlighting the basic musical form of a blues song, it also addresses the use of floating verses in blues music, both within the context of the...
Curated OER
Reptiles and Amphibians
Fourth graders explore biology by viewing animal videos in class. In this amphibian and reptile lesson, 4th graders identify the key differences between reptiles, amphibians and other animal classifications. Students view video clips in...
Heritage Foundation
Congress's Economic Powers
Join Congress as they assess their economic abilities for spending—and as they discover their limits. High schoolers use an educational resource to explore Congress's economic powers and learn to apply these concepts to their everyday...
iCivics
Government Spending
After discussing personal financing with your class, consider following up with this well-rounded introduction to government spending. The resource includes reading documents and worksheets, and covers topics as the federal deficit and...