Numbers and Operations Teacher Resources
Find Numbers and Operations lesson plans and worksheets
Showing 1 - 24 of 3,725 resources
Lesson Planet
Perform Arithmetic Operations with Complex Numbers: High School Math Common Core
Imagine a world where all the numbers live together harmoniously. Here you have it! Check out these resources that introduce the concept of an imaginary number, go through the operations, and model how to utilize the conjugate.
Lesson Planet
Mental Math and Compatible Numbers
Strengthen the skills of mental math when using compatible numbers. Find numbers that benefit one another when doing the four operations. Practice correct estimating to make those operations go quicker and better understand if the...
EngageNY
EngageNY Grade 6 Math Module 2: Arithmetic Operations Including Division of Fractions
Twenty-one lessons and two exams make up a math unit all about decimal operations and division of fractions. By way of direct instruction, discussion, guided practice, collaborative learning, and independent practice scholars solve...
EngageNY
EngageNY Precalculus and Advanced Topics Module 1: Complex Numbers and Transformations
Prepare your mathematicians for calculus with a collection of 32 lessons that focus on three topics: linearity, complex number operations as transformations, and the power of right notation. Each lesson includes teacher materials...
EngageNY
EngageNY Grade 7 Math Module 2: Rational Numbers
Middle schoolers play the Integer Game to build a mental picture and conceptual understanding of integer operations. Tweens add, subtract, multiply, and divide signed numbers—a practice beneficial in developing their competency of...
Lesson Planet
Essence of Linear Algebra
The 15 videos in the Essence of Linear Algebra collection teach students how to understand the numerical operations of matrices as well as the geometric intuitions underlying them. The first video in the series details the rationale...
EngageNY
EngageNY Precalculus and Advanced Topics Curriculum
A 5-module complete precalculus course begins with young mathematicians exploring linearity, complex number operations as transformation, and the power of the right notation. Module 2 has pupils examining incidence relationships in...
EngageNY
EngageNY Algebra II Module 1: Polynomial, Rational, and Radical Relationships
The 42 lessons in the Algebra II Module 1 collection enable students to connect polynomial arithmetic to computations with whole numbers and integers. Application and modeling problems include both real world and purely mathematical...
EngageNY
EngageNY Algebra II Module 1: Polynomial, Rational, and Radical Relationships
The 42 lessons in the Algebra II Module 1 collection are divided into four topics: Polynomials--From Base Ten to Base X, Factoring-- Its Use and Its Obstacles, Solving and Applying Equations—Polynomial, Rational and Radical, and A...
Lesson Planet
Grade 2 Supplement Set: Math
What would be better for your second grade mathematicians? Grab this set of engaging lesson plans that will be the highlight of your students' day as they learn how to tell time, solve equations, add and subtract multi-digit numbers, and...
Lesson Planet
Algebra: High School Common Core Math
All Algebra, all the time! Here is a compiled list of resources that address all of the standards regarding Algebra Common Core for high school. Each resource has the main standard it addresses under the notes section of the item.
EngageNY
EngageNY Algebra I Curriculum
The Algebra 1 curriculum set is designed to help scholars develop fluency in
writing, interpreting, and solving linear equations, The 30 lessons in Module 1 are divided into four topics: An Introduction to Functions, the Structure of...
Lesson Planet
Common Core Math: 8th Grade
Check out the Common Core with a collection that represents all the 8th grade math standards. Most resources engage multiple standards but the main one is listed on the notes section of each tab.
Lesson Planet
Number and Quantity: High School Common Core Math
This collection has a resource for each standard in the Number and Quantity selection of the CCSS. While several of the resources cover multiple standards, the focus standard is listed in the notes section of each resource for easy viewing.
EngageNY
EngageNY Precalculus and Advanced Topics Module 2: Vectors and Matrices
Here's a collection for gamers and non-gamers. The 29 lessons in the Calculus and Advanced Topics Module 2 are divided into five topics: Networks and Matrices, Linear Transformation of Planes and Space, Systems of Linear Equations,...
Lesson Planet
Common Core Math: 6th Grade
Need some help aligning your 6th grade math curriculum to Common Core? Here is a collection complete with a resource for every standard in the curriculum. While many of these resources cover multiple math standards, the main one...
Lesson Planet
Complex Numbers (Part 2)
This video continues looking at dividing complex numbers by looking at the conjugate of a complex number. The instructor then uses the conjugate to rationalize the denominator of a rational expression with a complex number in the...
Lesson Planet
Complex Numbers (Part 1)
In this video, a complex number is defined and graphed on the complex plane. Sal also shows how to add, subtract, and multiply two complex numbers. He starts showing how to divide two complex numbers, but runs out of time and continues...
Lesson Planet
Complex Numbers (Part 1)
In this video, a complex number is defined and graphed on the complex plane. Sal also shows how to add, subtract, and multiply two complex numbers. He starts showing how to divide two complex numbers, but runs out of time and continues...
Lesson Planet
Complex Numbers (Part 2)
This video continues looking at dividing complex numbers by looking at the conjugate of a complex number. The instructor then uses the conjugate to rationalize the denominator of a rational expression with a complex number in the...
Lesson Planet
Grade 2 Supplement Set A1 – Numbers and Operations: Addition and Subtraction
Using unifix cubes, a spinner, a number line, and fact family triangles second graders will play their way to subtraction competency. They engage in a series of activities that has them playing game that require them to add and subtract...
Lesson Planet
More Complicated Order of Operations Example
Demonstrating a "really hairy and beastly problem," Sal again shows the power and importance of solving an equation according the order of operations. Additionally, he guides viewers through a step in the equation when there are multiple...
Lesson Planet
Introduction to Order of Operations
First demonstrating the improper ways of solving an equation (left-to-right, multiplication first), Sal shows viewers how the answer of an equation can be drastically incorrect by neglecting to use the order of operations. He uses...
Lesson Planet
Dividing Mixed Numbers
Before Sal can divide a mixed number, he has to rewrite it as an improper fraction. He explains that dividing a fraction is the same as multiplying it by its reciprocal and that you can "cancel out" numbers to make multiplying easier.