# Numbers and Operations Teacher Resources

Find Numbers and Operations lesson plans and worksheets
Showing 2,727 resources
Instructional Video5:41
Welch Labs

#### Imaginary Numbers Are Real (Part 9: Closure)

For Students 9th - 12th Standards
The last video in a series about imaginary numbers demonstrates the need for complex numbers. Math pupils learn that they need to include the square root of negative one, the building block of the complex numbers, to have a set of...
Lesson Plan
Willow Tree

#### Order of Operations

For Students 7th - 10th Standards
It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include absolute...
Instructional Video6:22
Curated OER

#### How Do You Find the Value of a Digit in a Whole Number?

For Teachers 6th - 12th
The instructor illustrates place value by first drawing a place value chart. Then she inserts the numbers in question so she can find the value of certain digits. I think her chart really helps visually.
Instructional Video4:42
Welch Labs

#### Imaginary Numbers Are Real (Part 3: Cardan's Problem)

For Students 9th - 12th Standards
Were complex numbers discovered or invented? A video presentation makes the case for the discovery of square roots of negative one. In order for complex numbers to be real, then they must behave like other numbers, which they do in terms...
Instructional Video3:38
Welch Labs

#### Imaginary Numbers Are Real (Part 6: The Complex Plane)

For Students 9th - 12th Standards
How do addition and subtraction work on the complex plane? A short video presentation provides a clue on how to add complex numbers geometrically. The video ends with four problems to determine the rules for multiplication on the complex...
Unit Plan
National Security Agency

#### 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...
PPT
Curated OER

#### Rounding Whole Numbers

For Teachers 4th
Review the rules of rounding whole numbers then work through several practice problems that show how to determine what is being asked based on the context of a problem. There are four multi-step word problems for learners to solve that...
Instructional Video6:01
Curated OER

#### How Do You Divide a Two-Digit Number by a One-Digit Number With a Remainder?

For Teachers 6th - 12th
A collective groan can be heard when long division is mentioned. Here's a step-by-step demonstration of how to divide a two digit number by a one digit number, with a remainder.
Lesson Plan
1
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Beacon Learning Center

#### Bowling Over the Order of Operations

For Teachers 4th - 6th Standards
Upper graders will solve equations using order of operations, and create equations that to play a fun math bowling game. They will bowl using dice to practice operations. Extensions are also included.
Unit Plan
Curated OER

For Teachers 1st - 5th
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
Lesson Plan
Curated OER

#### Complex Numbers

For Teachers 10th - 12th Standards
Learners are introduced to the concept of imaginary unit and complex numbers. They are taught how to add and subtract complex numbers. Students define a complex number. They comprehend at least two applications of complex numbers....
Worksheet
MCAS Mentor

#### Number Sense and Operations

For Students 8th - 10th Standards
In this number sense and operations worksheet, learners solve 15 different types of problems that include reading number lines and solving inequalities. First, they write the scientific notation of various numbers given. Then, pupils...
Lesson Plan
Curated OER

#### Prime and Composite Numbers

For Teachers 6th - 7th
Prime and composite numbers are the focus of this mathematics instructional activity. In it, learners practice techniques for identifying these two types of numbers. They utilize the Inspiration program to complete a task that is clearly...
Worksheet
Curated OER

#### Ordering Large Numbers: Numbers up to 9,200,000

For Students 3rd - 5th Standards
Once learners understand place value, they can put all kinds of numbers in order - even eight-digit numbers! Fourth graders put groups of five numbers in order from smallest to largest. After they finish, they decipher a word problem and...
Worksheet
Curated OER

#### Place Value for Whole Numbers

For Students 3rd - 5th
Work with small and large numbers alike with a place-value activity. After writing the value of selected numbers, fourth graders write what happens to each number if they change certain parts of it.
Worksheet
DK Publishing

#### Putting Numbers in Order, Numbers Up to 9,900

For Students 3rd - 5th Standards
Put these big numbers in order! Fourth graders review the example at the top of the page before putting 16 sets of 4-digit numbers in order from smallest to largest. You can cut the three sections of problems into strips of paper for...
Worksheet
Curated OER

#### Writing Numbers

For Students 2nd - 4th
A multi-faceted approach to place value! Third graders write four-digit numbers, as well as interpreting the written forms of large numbers. Use the resource as a unit assessment, or in parts as a warm-up activity throughout the week.
Lesson Plan
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Curated OER

#### Complex Numbers

For Teachers 9th - 12th Standards
The class practices, on paper and/or on a TI graphing calculator the concepts of how to add, multiply, divide and subtract complex numbers using the correct property.
Worksheet
Curated OER

#### Multiplying Larger Numbers by 1-Digit Numbers

For Students 3rd - 5th Standards
Introduce multiplication with large numbers to your fourth grade class. A straightforward worksheet provides three and four-digit numbers, multiplied by one-digit numbers, to help transition your learners into more difficult...
Lesson Plan
Mathematics Assessment Project

#### Using Positive and Negative Numbers in Context

For Teachers 6th - 8th Standards
Measure the temperature of your math class with a temperature-based lesson on adding and subtracting rational numbers. The thermometer serves as a vertical number line for learners as they work together to solve a temperature change...
App
2
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#### 5 Dice: Order of Operations Game

For Students 5th - 9th Standards
Sometimes the simplest ideas can be the most challenging to solve! In this app, you are given five numbers and a set of operators, and you need to create an expression that when evaluated using the order of operations simplifies as the...
Worksheet
Curated OER

#### Addition and Subtraction Numbers Trail Worksheet

For Students K - 2nd
The number four is going on an adventure! This is a fun take on addition and subtraction problems; learners begin this math maze with the number four, and take it through various operations at each box. As it travels, scholars write down...
Worksheet
Curated OER

#### Adding Bigger Numbers: 2 and 3 Digit Numbers

For Students 3rd - 5th Standards
Challenge your young learners with an addition learning exercise, which provides different opportunities to practice adding two and three-digit numbers. The first two sections provide twelve problems for pupils to solve, while the last...
Worksheet
Curated OER

#### Putting Numbers in Order, Numbers up to 100

For Students 1st - 2nd Standards
Party with number balloons! Young learners study four groups of illustrated balloons with numbers on them, and write the numbers in sequence from smallest to greatest, or greatest to smallest. For extra fun, have them color the balloons...