Curated OER
PreCalculus: Final Examination
In this final examination learning exercise, students find the tangent function and sine function. They graph problems on a polar coordinate. Students describe trigonometric properties. This twelve-page learning...
Curated OER
Prairie Dogs: Finding the Balance
Learners study about prairie dogs and determine the mean, median, and mode of a prairie dog tow's population.
Curated OER
Ecosystems
Students role play as members of interest group with a stake in a local land use issue. In preparation for the town hall meeting, students research their issue and gather pertinent information to persuade their audience.
Curated OER
Maternal Nutrition during Pregnancy and Lactation
Pupils explain the relationship among nutrition, infection and diseases. In this health science lesson, students suggest ways to break the nutrition-infection cycle. They brainstorm solutions to prevent infectious diseases in the community.
Curated OER
Patterns
Fifth graders explore patterns. In groups, 5th graders participate in a "Pasta Pattern" activity. Given a bag of pasta, classmates sort pasta by shapes. They use pasta pieces to model different patterns. Students complete a bean...
Curated OER
Double Dipping
Fifth graders find and display all possible pairs of flavors of ice cream and look for patterns in the results. They discuss strategies for finding all combinations of flavors. Students explain and write a description for the pattern...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Complex Numbers
Use this tutorial to learn what imaginary and complex numbers are, how to write them, and how to perform operations with them. Offers step-by-step examples, video explanations of the examples, and practice questions with answers.
Illustrative Mathematics
Illustrative Mathematics: N cn.a.2: Powers of a Complex Number
The goal of this task is to practice making calculations with complex numbers and to visualize what happens when two complex numbers are multiplied. Aligns with N-CN.A.2.
Math Is Fun
Math Is Fun: The Evolution of Numbers
Discusses what numbers are and how our understanding of them has evolved over thousands of years, from simple counting to negative numbers and irrational numbers, for example. Includes a set of practice questions where students identify...
Math Words
Math words.com: Complex Numbers
At MathWords.com, a definition is given for what complex numbers are, along with some examples.
Alabama Learning Exchange
Alex: Imaginary Numbers? What Do You Mean Imaginary?
Is it any wonder that students are suspicious? We lead, sometimes drag, them through Algebra I insisting they must follow the order of operations. We make them learn the "hard way" of doing an assignment one day only to show them the...
Other
Critical Thinking Secrets: What Is Systems Thinking?
There are various approaches to solving problems that require us to analyze and interpret data. However, complex problems can require different perspectives to work upon and different elements that altogether play a crucial role in...