Oswego City School District
Regents Exam Prep Center: Multiply and Divide Complex Numbers
This tutorial shows students how to multiply and divide complex numbers and includes the topic of conjugates. Includes link to a graphing calculator tutorial.
Better Lesson
Better Lesson: More Than Two Numbers
The big idea of this lesson is that three (or more) numbers can be grouped together and added. The order of this grouping doesn't matter.
PBS
Pbs Kids Afterschool Adventure!: Operation: Brown Bag Activity Plan
It's time for lunch! For this week-long adventure, children will explore numbers and counting in the context of healthy eating. They will learn about the five food groups and create a healthy lunch using foods from each food group. Each...
Better Lesson
Better Lesson: Math Centers End of Year
At the end of the year, a lot is going on in our classroom. We continue our center routine for additional practice and to allow for end of the year testing to be completed.
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.
Better Lesson
Better Lesson: Making a Ten
Making ten is one of the foundational strategies for developing flexible numerical thinking, accuracy, and efficiency.
Purple Math
Purplemath: Complex Numbers: Introduction
This website provides an in-depth lesson on complex numbers. You learn about simplifying, adding, and multiplying complex numbers by viewing example problems that are worked through step-by-step. Continue on to pages 2 and 3 which...
Better Lesson
Better Lesson: Math Centers Review Previous Skills
Students will be able to independently practice graphing, teen numbers, and addition.
Better Lesson
Better Lesson: Larger Numbers: A Tie to Social Studies
I want my students to realize that numbers are everywhere and math is applicable to almost all other subjects. Geography offers a perfect opportunity for students to make this connection.
Better Lesson
Better Lesson: Patterns in Larger Numbers
Patterns are everywhere. We can use patterns to help us deal with larger numbers
Other
Quick Math: Scientific Notation
In this section, we will introduce another symbol for a fraction of the form and then we will use this symbol to write certain numbers in simpler form.
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
Students try to connect four game pieces in a row by answering whole number and integer problems. They can choose the difficulty level as well as addition, subtraction, multiplication, or division.
Johan Claeys
Math Abundance: An Introduction to Complex Numbers
A complete explanation of complex numbers that includes lessons on adding, subtracting, multiplying, and dividing them, as well as more advanced topics.
Better Lesson
Better Lesson: Over the Rainbow
Students review and conclude our color unit. Students graph their favorite colors.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Multiplication Table
This multiplication table has multiplication facts through 9 X 9 and also lets students practice them.
Illustrative Mathematics
Illustrative Mathematics: A sse.a.2 & N cn.a: Computations With Complex Numbers
This task requires students to rewrite mathematical expressions involving complex numbers. Aligns with A-SSE.A.2 and N-CN.A.
CPALMS
Cpalms: Product of Non Zero Rational and Irrational Numbers
[Free Registration/Login Required] In this formative assessment task, students are asked to explain how rational and irrational numbers differ and why the product of a non-zero rational number and an irrational number is irrational....
Khan Academy
Khan Academy: Multiply Complex Numbers (Basic)
Multiply complex numbers by single terms that are either real or imaginary. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Better Lesson
Better Lesson: Ordering Numbers to 30
Numbers don't stop at 20! We spend the last week or so of school looking at the numbers beyond 20. Today we do it by looking at the number line.
Khan Academy
Khan Academy: Multiplying & Dividing Negative Numbers Word Problems
Practice matching situations to multiplication and division expressions and equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Better Lesson
Better Lesson: Our Understanding of Numbers
This lesson is an informal assessment of student understanding of the base ten system, a critical area in the Common Core.
Better Lesson
Better Lesson: Ordering Numbers: Unit Review and Test
SWBAT share their knowledge through the assessment provided