Numbers and Operations Teacher Resources

Find Numbers and Operations lesson plans and worksheets
Showing 25 - 48 of 3,613 resources
5:20
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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
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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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Algebra Practice: Equations With Rational Numbers

For Students 4th - 7th
Young mathematicians solve 12 equations, determine operations performed and solve 2 test prep questions. Houghton Mifflin text is referenced.
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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...
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Rewriting Numbers as Tens and Ones

For Students 1st - 4th
Unpack double-digit numbers using this fantastic graphic organizer featuring eight place value problems. Learners separate each number into tens and ones, then write it out by completing a sentence frame. As they work through the...
2:41
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Dividing Mixed Numbers

For Students 5th - 7th
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.
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For Students 1st - 4th
By adding the tens and ones place separately, beginners to addition can easily complete 10 double-digit addition problems. This is an excellent worksheet, as it visually sets learners up on the pathway to this strategy. They simply...
1:32
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Adding Whole Numbers and Applications 1

For Students 3rd - 5th
Adding double-digit numbers can seem difficult for some students. But, this Khan Academy video makes this process clear in a developmentally sound way. Students watch as 'Sal' adds the number 46 to 43. He references each number by its...
5:30
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How Do You Compare Two Whole Numbers?

For Teachers 1st - 4th
Two very similar numbers and you have to figure out which one is larger. The teacher diagrams a place value chart and shows you how to write the two numbers to make a comparison.
7:03
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How Do You Put Whole Numbers in Order From Greatest to Least?

For Teachers 2nd - 4th
So you want to put some given values in order from greatest to least? 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...
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Formative Assessment Task: Number and Operations in Base Ten

For Teachers 3rd - 5th Standards
Engage your class in developing their understanding of place value with this simple hands-on activity. Presented with a multi-digit number, young mathematicians use the provided digit cards to create numbers in response to a series of...
1 In 1 Collection
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Imaginary Numbers? What Do You Mean Imaginary?

For Teachers 9th - 12th Standards
Don't worry, this resource actually exists. Scholars learn about imaginary numbers and work on problems simplifying square roots of negative numbers. As an extension, they research the history of imaginary numbers.
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Grade 1 Supplement A2 – Number and Operations: Numerals to 1,000

For Teachers 1st Standards
What a fun set of math operations activities! First, the mysterious Digit Switcher writes letters to your first-graders, challenging them to recognize patterns in three-digit numbers. Then, the class works together analyzing three-digit...
1:51
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Multiplying Whole Numbers and Applications 4

For Students 4th - 5th
Are your students learning about solving word problems involving multiplication? If they are, then this video could be a perfect complement to your lesson. Sal shows students how to use rounding to estimate the product of a double-digit...
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The Order of Operations

For Teachers 6th - 8th Standards
Your learners use many different number representations like positive and negative integers, exponents, radicals, and combinations of operations as they learn and strengthen their use of the order of operations. Thoughtfully organized to...
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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...
1:55
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How Do You Solve a Word Problem Where You Multiply and Subtract Whole Numbers and Fractions?

For Teachers 3rd - 5th
There is only one variable in this word problem. Yeah! So unpack the words and write them as a mathematical expression. Then make sure to use the order of operations to solve and arrive at the solution.
2 In 2 Collections
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An Appearance of Complex Numbers 2

For Teachers 11th - 12th Standards
Help the class visualize operations with complex numbers with a instructional activity that formally introduces complex numbers and reviews the visualization of complex numbers on the complex plane. The fifth installment of a 32-part...
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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...
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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...
7:06
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How Do You Subtract Whole Numbers?

For Teachers 6th - 12th
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...
7:47
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How Do You Write a Whole Number Given in Expanded Form in Standard Form and in Words?

For Teachers 6th - 12th
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.
5:41
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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...
8:55
Lesson Planet

What is Place Value for Whole Numbers?

For Teachers 4th - 6th Standards
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...