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.
Clark University
Clark University: Complex Numbers: The Complex Plane
A number of different ways to approach complex numbers and operations with them.
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...
PBS
Pbs: Solving Linear Inequalities With Negative Numbers
Solve an inequality that has negative numbers and a variable. This video focuses on using inverse operations to solve for a variable and the importance of flipping the inequality when multiplying or dividing by a negative number.
Math Drills
Math Drills: St. Patrick's Day Math Worksheets
Download these free worksheets to sharpen your math skills. These St. Patrick's Day math worksheets focus on topics such as patterning, comparing numbers, counting, word problems, addition, multiplication, and mixed operations.
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.
Math Drills
Math Drills: Order of Operations Worksheets
Order of operations worksheets can be downloaded and printed for free. Sheets focus on the order of operations with whole numbers, integers, fractions, and decimals.
Better Lesson
Better Lesson: The Neighbors of Doubles
The big idea of this lesson is that students can solve for near doubles by thinking of the related doubles fact.
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.
Calculator Soup
Calculator Soup: Math Equation Solver
Solve math problems using order of operations like PEMDAS, BEDMAS and BODMAS. This calculator solves math equations that add, subtract, multiply and divide positive and negative numbers and exponential numbers. You can also include...
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.
Homeschool Math
Homeschool Math: Multiplying Decimals by Whole Numbers
This is a complete lesson with instruction and varied exercises about how to multiply a whole number by a decimal.
Intel Corporation
Intel: Fractions Made Visual
Students learn the importance of math accuracy and, more specifically, that knowing how to add, subtract, multiply, and divide fractions make life easier for everyone. To help students come to this understanding, they are assigned to a...
Better Lesson
Better Lesson: Patterns in Nature
Are there patterns in nature that can be described by numbers? That is what we will find out here.
Better Lesson
Better Lesson: Associative Property With Manipulatives
Children need to understand why the mathematical properties work and how they are applied. In this instructional activity, we explore modeling and "proving" the associative property. In this instructional activity, we explore modeling...
AAA Math
Aaa Math: Long Division: Dividing a 4 Digit by 2 Digit Numbers
This site explains how to divide whole numbers, then offers problems and games to practice this skill.
Alabama Learning Exchange
Alex: Wheels All Around
Learners will use skip counting to see how many wheels visit the school during specified times in one day. This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.
Boston University
Fractal Geometry of the Mandelbrot Set Ii
This web site addresses counting and adding in fractal operations, as well as the role of the Fibonacci sequence in fractal geometry.
Better Lesson
Better Lesson: Is the Statement True or False?
Second graders use their knowledge of place value to determine whether a comparison statement is true or false.
Calculator Soup
Calculator Soup: Fractions Calculator
Use this fraction calculator for adding, subtracting, multiplying and dividing fractions. Answers are fractions in lowest terms or mixed numbers in reduced form.