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3,724 reviewed resources for Numbers and Operations

Videos (Over 2 Million Educational Videos Available)
Defining Gravity Video
3:11
Defining Gravity
How Computers Work: What Makes a Computer, a Computer? Video
5:10
How Computers Work: What Makes a Computer,...
Women's History Activator: Eleanor Roosevelt Video
5:34
Women's History Activator: Eleanor Roosevelt
Other Resource Types ( 3,724 )
9 Items in Collection
Lesson Planet

Perform Arithmetic Operations with Complex Numbers: High School Math Common Core

For Teachers 9th - 12th Standards
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. 
8 Items in Collection
Lesson Planet

Mental Math and Compatible Numbers

For Teachers 4th - 7th
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

For Teachers 6th Standards
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

For Teachers 11th - 12th Standards
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

For Teachers 7th Standards
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...
7 Items in Collection
Lesson Planet

Grade 2 Supplement Set: Math

For Teachers 2nd Standards
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...
EngageNY

EngageNY Precalculus and Advanced Topics Curriculum

For Teachers 11th - 12th Standards
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

For Teachers 9th - 12th Standards
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

For Teachers 9th - 12th Standards
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...
15 Items in Collection
Lesson Planet

Essence of Linear Algebra

For Teachers 11th - Higher Ed Standards
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...
35 Items in Collection
Lesson Planet

Common Core Math: 8th Grade

For Teachers 8th Standards
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. 
35 Items in Collection
Lesson Planet

Algebra: High School Common Core Math

For Teachers 9th - 12th Standards
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. 
31 Items in Collection
Lesson Planet

Number and Quantity: High School Common Core Math

For Teachers 9th - 12th Standards
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

For Teachers 11th - 12th Standards
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,...
40 Items in Collection
Lesson Planet

Common Core Math: 6th Grade

For Teachers 6th Standards
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...
EngageNY

EngageNY Algebra I Curriculum

For Teachers 9th - 12th Standards
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

Grade 1 Math: Partner Work, Numbers and Operations, Pattern Recognition

For Teachers 1st
Looking for patterns is a key skill young learners need to know. They build number sense by first looking for number patterns in a series of simple addition and subtraction problems that all involve the number zero. They work with a...
1 In 1 Collection
Lesson Planet

Grade 2 Supplement Set A1 – Numbers and Operations: Addition and Subtraction

For Teachers 2nd Standards
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

Numbers and Operations as Words

For Students 4th - 5th
Teach numbers in word form with this activity. In this numbers and operations worksheet, learners solve 22 problems in which numbers are written in word form. Students solve the problems and write their responses in word form. Example:...
Lesson Planet

Numbers and Operations in Base Ten

For Teachers 1st
First graders use a ten frame and counters to demonstrate their understanding of two-digit numbers. Use the included suggested questions to check for understanding and encourage abstract reasoning.
Lesson Planet

Number Operations

For Teachers 3rd - 4th
Inject fun into your math review! Pupils review basic math operations with decimals as well as addition and subtraction with simple fractions. In this number operations lesson, students work in groups to create a game for the math skill...
Lesson Planet

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class to...
5:20
Lesson Planet

More Complicated Order of Operations Example

For Students 7th - 9th
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...
9:40
Lesson Planet

Introduction to Order of Operations

For Students 7th - 9th
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...

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