Curated OER
Let's Find Out About Money
First graders investigate the uses and development of money as part of the study of finance. They focus upon the recognition of different coins and identify the value of each. Then students solve problems involving money and coins.
Curated OER
Solving Equations with Variables on Both Sides
In this solving equations learning exercise, students solve 15 equations with variables on both sides of the equal sign. Students are encouraged to check all solutions.
Curated OER
Simplifying Expressions (Multiplication and Division)
Seventh graders simplify algebraic expressions using multiplication and division to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Students complete various...
Curated OER
Clock Arithmetic and Cryptography
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
Curated OER
Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
Curated OER
Defining Culture
Second graders define the term culture and are exposed to a variety of cultures from around the world. They read books, play Native American games, develop a class book that examines their own culture and, after examining currencies from...