# Numbers and Operations Teacher Resources

Find Numbers and Operations lesson plans and worksheets
Showing 2,727 resources
Worksheet
Curated OER

For Students 1st - 3rd Standards
Review numerals and written numbers. Here is a worksheet that features four sections of problems for youngsters to figure out. They write out eight 3-digit numbers, and provide 3-digit numerals for eight written numbers. A great way to...
Worksheet
Curated OER

#### Putting Numbers in Order

For Students 1st - 3rd Standards
Can your second graders put these 2 and 3-digit numbers in order from least to greatest? Fifteen sets of four numbers help them practice their place value, as well as their ordering skills. A great way to get them ready for more complex...
Worksheet
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Curated OER

#### Order of Operations

For Students 5th - 6th
Some terrific practice in solving math equations that have a specific order of operations component built into them. Some of the problems have parentheses, and all four operations are present in the problems. Pupils solve 50 problems and...
Worksheet
Curated OER

#### Rounding Whole Numbers

For Students 3rd - 5th Standards
Can your fourth graders round to the nearest 10? What about the nearest 100, or 10,000? A thorough resource helps them practice rounding numbers of varying size. Four sets of problems prompt students to round to specified place values,...
PPT
Curated OER

For Teachers 3rd - 4th
Reading and writing numbers is thoroughly covered in this well done slide-show presentation. Learners will see how number and number words correlate in relation to place value. The slide-show is text heavy and could use more visual aids...
PPT
Curated OER

#### Fractions Lesson: Understanding Mixed Numbers

For Teachers 4th - 5th
A developmentally sound approach to teaching learners the difference between fractions, whole numbers, and mixed numbers. They are shown each type of number then run through a series of slides shouting out the name of that number type....
PPT
Curated OER

#### Mixed numbers and Improper Fractions

For Teachers 4th - 5th
What do you get when you combine chocolate bars and math? The answer: A great lesson on improper fractions and mixed numbers! Learners discuss the differences between whole numbers and fractions, then use images of scored chocolate bars...
Worksheet
Curated OER

#### Rounding Mixed Numbers

For Students 3rd - 5th Standards
Is your class having trouble with mixed numbers and rounding to the nearest whole number? Use this instructional activity in your fractions unit to help struggling math students with this tricky skill. An example demonstrates how to...
Lesson Plan
Texas Instruments

#### Complex Numbers: Plotting and Polar Form

For Teachers 9th - 12th Standards
Explore the concept of, and use the Ti-Nspire to, convert complex numbers into polar form. Then practice graphing complex numbers in the polar coordinate plane.
Worksheet
Curated OER

#### Rounding to the Nearest Whole Number

For Students 3rd - 5th Standards
Bring money and measurement together by practicing rounding decimals to the nearest whole number. Three sections prompt fourth graders to round to the nearest dollar, the nearest meter, and the nearest whole unit. Use this activity as an...
Instructional Video7:11
Curated OER

#### How Do You Write a Whole Number Given in Expanded Form in Standard Form and in Words?

For Teachers 4th - 7th
You've been given a number written in expanded form. You have to write it in standard form, and in word form. The instructor does a nice job illustrating and explaining just how to do both of these operations.
Instructional Video8:12
Curated OER

#### What is Place Value for Whole Numbers?

For Teachers 1st - 4th
Whole numbers are the natural numbers including zero. The instructor illustrates and explains place value. She draws a place value chart and then defines each term and what the numbers mean. She writes a number in standard form and then...
Instructional Video6:40
Curated OER

#### How Do You Put Whole Numbers in Order From Least to Greatest?

For Teachers 1st - 3rd
So you want to put some given values in order from least to greatest? The instructor starts out by drawing a place value chart. She then inserts all the numbers into the chart. This helps you visually see their value so you can compare...
Instructional Video6:59
Curated OER

#### How Do You Multiply a Two-Digit Number by a Two-Digit Number?

For Teachers 3rd - 5th
It is very important to keep place value in mind when you are multiplying. The instructor draws a place value chart to help you see how to keep the numbers in their proper place. Too often pupils get messy and the numbers don't line up...
Instructional Video6:02
Curated OER

#### How Do You Add Whole Numbers?

For Teachers 3rd - 6th
Adding whole numbers can be tricky if you don't get all your numbers in alignment. So make sure to get the place value correct.
Lesson Plan
Illustrative Mathematics

#### Operations on the Number Line

For Teachers 7th - 9th Standards
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
Worksheet
Curated OER

#### Number, Number Sense and Operations: Worksheet Four

For Students 6th - 8th
Review a variety of mathematical skills with this worksheet. In this number sense and operations worksheet, learners solve 15 different problems that include simplifying various equations. In addition, they write the powers in order from...
Worksheet
Curated OER

#### Choosing the Operation: Add or Subtract

For Students 2nd - 3rd Standards
Try a new approach to addition and subtraction by giving scholars the numbers but leaving out the sign. They must determine if the numbers have been added or subtracted, then write in the appropriate operation. There are a few examples...
Instructional Video5:49
Curated OER

#### How Do You Multiply a Three-Digit Number by a One-Digit Number?

For Teachers 3rd - 5th
The teacher gives a very thorough explanation of how to set up and multiply numbers vertically. She emphasizes place value and where the numbers go when you multiply them (carrying).
Instructional Video6:24
Curated OER

#### How Do You Subtract Whole Numbers?

For Teachers 3rd - 6th
Line up your numbers! The instructor shows you how to line your numbers up by place value. Then step-by-step she subtracts each place value. She demonstrates how to borrow when the top value is less than the bottom value you are...
Worksheet
Curated OER

#### Subtracting Bigger Numbers: 2 and 3-Digit Numbers

For Students 3rd - 5th Standards
Subtraction problems are simple - or are they? Fourth graders subtract 2-digit numbers from 3-digit numbers in different formats, including vertical problems, horizontal problems, and word problems. Use this resource at the end of your...
Worksheet
Curated OER

#### Multiplying by 2-Digit Numbers

For Students 4th - 6th Standards
Need some practice multiplying large numbers? Bring this list of problems to your fifth grade class to use as a review of multiplication of 3 digit numbers by 2 digit numbers. The format of this resource makes it a good quiz or homework...
Worksheet
Curated OER

#### Adding 2-Digit Numbers, part 4

For Students K - 2nd Standards
Practice adding it up! A very straightforward worksheet includes 36 addition problems, all with two-digit addends. Great for a timed math drill or a comprehensive review activity.
Worksheet
Curated OER

#### Mixed Numbers and Decimals

For Students 3rd - 5th Standards
Mixed numbers made easy! Use a worksheet on fractions and decimals to help your fourth graders master converting mixed numbers to decimals - and vice versa. They work on mixed numbers and decimals, and then convert three fractions into...